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Tektonidou MG, Vlachogiannis NI, Sfikakis PP. T cell involvement in antiphospholipid syndrome. Clin Immunol 2024; 263:110218. [PMID: 38640985 DOI: 10.1016/j.clim.2024.110218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/15/2024] [Accepted: 04/08/2024] [Indexed: 04/21/2024]
Abstract
Antiphospholipid syndrome (APS) is a systemic autoimmune disorder characterized by arterial and venous thrombosis, and obstetric complications in the presence of antiphospholipid antibodies (aPL), including lupus anticoagulant, anticardiolipin and anti-β2-glycoprotein I antibodies. APS manifests as single, often as recurrent events, and rarely as a catastrophic condition. Most studies of APS pathogenesis to date have focused on the prothrombotic role of aPL, while innate immune responses such as monocyte, complement and neutrophil activation have been also recognized as part of the thrombo-inflammatory cascade in APS. While the presence of autoreactive T cells against β2-glycoprotein I has been long known, less data are available on their pathogenetic role in APS. In this review, we summarize current knowledge on the involvement of T cells in APS pathophysiology, alterations of T cell subsets in peripheral blood, and clinical associations. We also highlight potential therapeutic opportunities by targeting T helper-B cell interactions in these patients.
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Affiliation(s)
- Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, Medical School, Athens, Greece.
| | - Nikolaos I Vlachogiannis
- First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, Medical School, Athens, Greece
| | - Petros P Sfikakis
- First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, Medical School, Athens, Greece
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Ricarte IF, Dutra LA, Rodrigues DLG, Barsottini OGP, de Souza AW, Carrete H, Massaud APS, Andrade D, Mangueira CLP, Sampaio Silva G. Cerebrovascular disease in patients with antiphospholipid antibody syndrome: a transcranial Doppler and magnetic resonance imaging study. Rheumatol Adv Pract 2024; 8:rkae060. [PMID: 38800574 PMCID: PMC11127108 DOI: 10.1093/rap/rkae060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 04/07/2024] [Indexed: 05/29/2024] Open
Abstract
Objective Transcranial Doppler (TCD) and brain MRI may be useful in evaluating patients with APS, helping to stratify the risk of cerebrovascular ischaemic events in this population. This study aimed to assess the frequency of brain MRI abnormalities in patients with primary antiphospholipid syndrome, secondary antiphospholipid syndrome and SLE and correlate to TCD findings. Methods The study, conducted over four years at two autoimmune disease referral centres, included 22 primary antiphospholipid syndrome patients, 24 secondary antiphospholipid syndrome patients, 27 SLE patients without APS and 21 healthy controls. All participants underwent TCD to assess cerebral haemodynamics, detect microembolic signals and evaluate right-to-left shunts, followed by brain MRI and magnetic resonance angiography. MRI scans were reviewed for acute microembolism, localized cortical infarctions, border infarctions, lacunar infarctions, ischaemic lesions, white matter hyperintensity, micro and macro haemorrhages and arterial stenosis ≥50% of the cervical carotid artery, by two neuroradiologists blinded to the clinical data. Results Brain MRI findings were similar between the groups, except for lacunar infarction, more frequent in patients with secondary antiphospholipid syndrome (P = 0.022). Patients with intracranial stenosis detected by TCD had a higher frequency of territorial infarction (40% vs 7.5%, P = 0.02), lacunar (40% vs 11.3%, P = 0.075) and border zone infarcts (20% vs 1.9%, P = 0.034). Conclusions Patients with intracranial stenosis presented a higher frequency of territorial, lacunar and border zone infarcts, suggesting that evaluating the intracranial vasculature should not be neglected in patients with APS and stroke.
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Affiliation(s)
- Irapuá Ferreira Ricarte
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Lívia Almeida Dutra
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, São Paulo, Brazil
- Faculdade Israelita de Ciências da Saúde Albert Einstein, São Paulo, Brazil
| | | | | | - Alexandre Wagner de Souza
- Rheumatology Division, Department of Internal Medicine, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Henrique Carrete
- Department of Radiology, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Danieli Andrade
- Rheumatology Division, Department of Internal Medicine, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | | | - Gisele Sampaio Silva
- Department of Neurology and Neurosurgery, Universidade Federal de São Paulo, São Paulo, Brazil
- Hospital Israelita Albert Einstein, São Paulo, Brazil
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Zekić T, Belančić A. Antiphospholipid syndrome, thrombosis, and vaccination in the COVID-19 pandemic. Rheumatol Int 2024; 44:749-755. [PMID: 38393386 DOI: 10.1007/s00296-023-05531-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 12/29/2023] [Indexed: 02/25/2024]
Abstract
Thrombosis is one of the many signs of antiphospholipid syndrome (APS) and COVID-19 infection. Although the mechanisms contributing to thrombosis in APS and COVID-19 are relatively similar, this remains an open subject. Even now (when the COVID-19 pandemic has subsided), there is no conclusive solution to APS and COVID-19 co-occurrence. The presence of newly generated antiphospholipid antibodies (aPLs) in COVID-19 infection may or may not be connected to the diagnosis of APS. The prevalence of aPLs is substantial in severe COVID-19 but not related to thrombosis or a worse outcome. Adequate monitoring of antibody positivity over time is recommended for APL diagnosis. On the other hand, thrombosis and thrombocytopenia can rarely occur with vaccination with mRNA vaccines. Some studies have shown that COVID-19 immunization is well tolerated among APS patients who are triple-positive for aPL, which may comfort patients and referring physicians and lessen hesitation in unvaccinated APS/aPL-positive patients. In this narrative review, we will give an overview of the interaction between aPL-APS-COVID-19-thrombosis and related diagnostic insights learned during the pandemic.
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Affiliation(s)
- Tatjana Zekić
- Clinical Hospital Center Rijeka, Department of Rheumatology and Clinical Immunology, University of Rijeka, Faculty of Medicine, Rijeka, Croatia.
- University of Rijeka, Faculty of Medicine, 51000, Rijeka, Croatia.
| | - Andrej Belančić
- Department of Clinical Pharmacology, Clinical Hospital Centre Rijeka, Krešimirova 42, 51000, Rijeka, Croatia
- Department of Basic and Clinical Pharmacology with Toxicology, University of Rijeka, Faculty of Medicine, Braće Branchetta 20, 51000, Rijeka, Croatia
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Rhein AK, Rabinovich A, Abuhasira R, Lubaton-Barshishat S, Erez O. Obstetric antiphospholipid syndrome carries an increased lifetime risk for obstetric and thrombotic complications-a population-based study. Res Pract Thromb Haemost 2024; 8:102430. [PMID: 38798792 PMCID: PMC11127162 DOI: 10.1016/j.rpth.2024.102430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/13/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
Background Antiphospholipid syndrome (APS) can present with either a thromboembolic event (thrombotic APS, TAPS) or an obstetric complication (obstetric APS, OAPS). Data on long-term complications in the different APS phenotypes are limited. Objectives We aimed to compare obstetric history, antiphospholipid antibody profiles, obstetric and thromboembolic complications, and pregnancy outcomes between TAPS and OAPS. Methods This retrospective cohort study included women who delivered singleton pregnancies between 1998 and 2020. One hundred sixteen thousand four hundred nine women were included, resulting in 320,455 deliveries. Among the included patients, 71 were diagnosed with APS, 49 were classified as OAPS, and 22 as TAPS. The demographics, obstetric, neonatal, and thrombotic outcomes were compared among TAPS, OAPS, and the general obstetric population. Results OAPS patients had an increased risk of thrombotic events compared with the general obstetric population (odds ratio [OR] 18.0; 95% CI, 8.7-37.2). In pregnancies following the diagnosis of APS, despite standard antithrombotic treatment, OAPS patients exhibited an elevated risk of placenta-related and neonatal complications compared with the general obstetric population (late fetal loss [adjusted OR {aOR}, 15.3; 95% CI, 0.5-27.5], stillbirth [aOR, 5.9; 95% CI, 2.2-15.4], placental abruption [aOR, 4.8; 95% CI, 1.5-15.3], preeclampsia [aOR, 4.4; 95% CI, 2.5-7.7], fetal growth restriction [aOR, 4.3; 95% CI, 8.5-27.5], small for gestational age neonate [aOR, 4.0; 95% CI, 2.4-6.6], and low Apgar scores [Apgar'1: aOR, 2.6; 95% CI, 1.3-10.4; Apgar'5: aOR, 3.7; 95% CI, 1.3-10.4]). TAPS patients exhibited increased risk of preeclampsia (aOR, 3.1; 95% CI, 1.2-8). Conclusion OAPS patients exhibit a heightened risk of thrombotic events compared with the general obstetric population. Despite treatment, OAPS and TAPS still presented obstetric complications. These findings, after confirmation in prospective studies, need to be taken into consideration when planning the treatment approach for these patients.
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Affiliation(s)
- Ariel Katherine Rhein
- The Joyce & Irving Goldman Medical School, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Anat Rabinovich
- Thrombosis and Hemostasis Unit, Hematology Institute, Soroka University Medical Center and Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Ran Abuhasira
- The Joyce & Irving Goldman Medical School, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
- Clinical Research Center, Soroka University Medical Center, Beer-Sheva, Israel
| | - Shir Lubaton-Barshishat
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Beer-Sheva, Israel
| | - Offer Erez
- Department of Obstetrics and Gynecology, Soroka University Medical Center, Beer-Sheva, Israel
- Department of Obstetrics and Gynecology, Hutzel Women's Hospital, Wayne State University, Detroit, Michigan, USA
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Evangelatos G, Konstantonis G, Tentolouris N, Sfikakis PP, Tektonidou MG. Arterial stiffness tested by pulse wave velocity and augmentation index for cardiovascular risk stratification in antiphospholipid syndrome. Rheumatology (Oxford) 2024; 63:1030-1038. [PMID: 37294733 PMCID: PMC10986810 DOI: 10.1093/rheumatology/kead267] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/06/2023] [Accepted: 05/26/2023] [Indexed: 06/11/2023] Open
Abstract
OBJECTIVES Cardiovascular disease is a major cause of morbidity and mortality in Antiphospholipid syndrome (APS). Arterial stiffness (ArS) has emerged as a predictor of future cardiovascular events in the general population. We aimed to assess ArS in patients with thrombotic APS versus diabetes mellitus (DM) and healthy controls (HC) and identify predictors of increased ArS in APS. METHODS ArS was evaluated by carotid-femoral pulse wave velocity (cfPWV) and augmentation index normalized to 75 beats/min (AIx@75) using the SphygmoCor device. Participants also underwent carotid/femoral ultrasound for atherosclerotic plaque detection. We used linear regression to compare ArS measures among groups and assess ArS determinants in the APS group. RESULTS We included 110 patients with APS (70.9% female, mean age 45.4 years), 110 DM patients and 110 HC, all age/sex matched. After adjustment for age, sex, cardiovascular risk factors and plaque presence, APS patients exhibited similar cfPWV [β = -0.142 (95% CI -0.514, 0.230), p = 0.454] but increased AIx@75 [β = 4.525 (95% CI 1.372, 7.677), p = 0.005] compared with HC and lower cfPWV (p < 0.001) but similar AIx@75 (p = 0.193) versus DM patients. In the APS group, cfPWV was independently associated with age [β = 0.056 (95% CI 0.034, 0.078), p < 0.001], mean arterial pressure (MAP) [β = 0.070 (95% CI 0.043, 0.097), p < 0.001], atherosclerotic femoral plaques [β = 0.732 (95% CI 0.053, 1.411), p = 0.035] and anti-β2-glycoprotein I IgM positivity [β = 0.696 (95% CI 0.201, 1.191), p = 0.006]. AIx@75 was associated with age [β = 0.334 (95% CI 0.117, 0.551), p = 0.003], female sex [β = 7.447 (95% CI 2.312, 12.581), p = 0.005] and MAP [β = 0.425 (95% CI 0.187, 0.663), p = 0.001]. CONCLUSION APS patients exhibit elevated AIx@75 vs HC and similar to DM patients, indicating enhanced arterial stiffening in APS. Given its prognostic value, ArS evaluation may help to improve cardiovascular risk stratification in APS.
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Affiliation(s)
- Gerasimos Evangelatos
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - George Konstantonis
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Petros P Sfikakis
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Drosos GC, Konstantonis G, Sfikakis PP, Tektonidou MG. Cardiovascular risk assessment in patients with antiphospholipid syndrome: a cross-sectional performance analysis of nine clinical risk prediction tools. RMD Open 2023; 9:e003601. [PMID: 38016710 PMCID: PMC10685980 DOI: 10.1136/rmdopen-2023-003601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/06/2023] [Indexed: 11/30/2023] Open
Abstract
OBJECTIVES This study aimed to assess the performance of cardiovascular risk (CVR) prediction models reported by European Alliance of Associations for Rheumatology and European Society of Cardiology recommendations to identify high-atherosclerotic CVR (ASCVR) patients with antiphospholipid syndrome (APS). METHODS Six models predicting the risk of a first cardiovascular disease event (first-CVD) (Systematic Coronary Risk Evaluation (SCORE); modified-SCORE; Framingham risk score; Pooled Cohorts Risk Equation; Prospective Cardiovascular Münster calculator; Globorisk), three risk prediction models for patients with a history of prior arterial events (recurrent-CVD) (adjusted Global APS Score (aGAPSS); aGAPSSCVD; Secondary Manifestations of Arterial Disease (SMART)) and carotid/femoral artery vascular ultrasound (VUS) were used to assess ASCVR in 121 APS patients (mean age: 45.8±11.8 years; women: 68.6%). We cross-sectionally examined the calibration, discrimination and classification accuracy of all prediction models to identify high ASCVR due to VUS-detected atherosclerotic plaques, and risk reclassification of patients classified as non high-risk according to first-CVD/recurrent-CVD tools to actual high risk based on VUS. RESULTS Spiegelhalter's z-test p values 0.47-0.57, area under the receiver-operating characteristics curve (AUROC) 0.56-0.75 and Matthews correlation coefficient (MCC) 0.01-0.35 indicated moderate calibration, poor-to-acceptable discrimination and negligible-to-moderate classification accuracy, respectively, for all risk models. Among recurrent-CVD tools, SMART and aGAPSSCVD (for non-triple antiphospholipid antibody-positive patients) performed better (z/AUROC/MCC: 0.47/0.64/0.29 and 0.52/0.69/0.29, respectively) than aGAPSS. VUS reclassified 34.2%-47.9% and 40.5%-52.6% of patients classified as non-high-ASCVR by first-CVD and recurrent-CVD prediction models, respectively. In patients aged 40-54 years, >40% VUS-guided reclassification was observed for first-CVD risk tools and >50% for recurrent-CVD prediction models. CONCLUSION Clinical CVR prediction tools underestimate actual high ASCVR in APS. VUS may help to improve CVR assessment and optimal risk factor management.
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Affiliation(s)
- George C Drosos
- Cardiovascular Risk Research Laboratory, First Department of Propaedeutic Internal Medicine, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - George Konstantonis
- Cardiovascular Risk Research Laboratory, First Department of Propaedeutic Internal Medicine, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Petros P Sfikakis
- Cardiovascular Risk Research Laboratory, First Department of Propaedeutic Internal Medicine, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Maria G Tektonidou
- Cardiovascular Risk Research Laboratory, First Department of Propaedeutic Internal Medicine, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
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Bucci T, Ames PRJ, Cammisotto V, Cardamone C, Ciampa A, Mangoni B, Triggiani M, Carnevale R, Lip GYH, Pastori D, Pignatelli P. Low-grade endotoxemia and risk of recurrent thrombosis in primary antiphospholipid syndrome. The multicenter ATHERO-APS study. Thromb Res 2023; 231:76-83. [PMID: 37827070 DOI: 10.1016/j.thromres.2023.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/03/2023] [Accepted: 10/03/2023] [Indexed: 10/14/2023]
Abstract
INTRODUCTION Low-grade endotoxemia is associated with systemic inflammation, enhanced oxidative stress and cardiovascular events in different clinical settings, but its possible role as "second hit" in patients with primary antiphospholipid syndrome (PAPS) has never been investigated. PURPOSE To evaluate the relationship between plasma lipopolysaccharide (LPS) levels, oxidative stress markers and risk of thrombosis in the prospective multicenter ATHERO-APS study. METHODS Baseline LPS, soluble NADPH-oxidase 2-derived peptide (sNOX-dp), H2O2 production, hydrogen peroxide breakdown activity (HBA), and nitric oxide (NO) bioavailability were compared in 97 PAPS, 16 non-thrombotic aPL carriers and 21 controls (CTRL) matched for age and sex. Correlations among laboratory variables were explored by Rho Spearman's correlation (rS). Cox-regression analysis was performed to assess the association between LPS and risk for a composite outcome of cardiovascular death, venous and arterial thromboembolism. RESULTS In the whole cohort (median age 51 years (IQR 43-60), 72 % female), PAPS demonstrated higher levels of LPS, sNOX-dp and H2O2 and lower levels of NO and HBA compared to non-thrombotic aPL carriers and CTRL. LPS levels were inversely correlated with HBA (rS: -0.295, p = 0.001) and NO (rS: -0.322, p < 0.001) and directly correlated with sNOX-dp (rS:0.469, p < 0.001) and H202 (rS:0.282, p < 0.001). PAPS showed higher levels of LPS, sNOX-dp and H2O2 and lower levels of NO and HBA compared to aPL carriers and CTRL. After a 4.7 years follow-up of, 11 composite outcomes were reported in PAPS (2.5 per 100 patient-years) while none was observed in aPL carriers. On Cox-regression analysis, patients with LPS above the median (>23.1 pg/ml) had a 5-fold increased risk of composite outcome compared to those with LPS below the median, after adjustment for sex, age, diabetes, and global antiphospholipid syndrome score. CONCLUSION Low-grade endotoxemia is associated with an increased oxidative stress and a higher risk of thrombosis in PAPS. Its prognostic value in carriers needs to be investigated in larger cohorts.
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Affiliation(s)
- Tommaso Bucci
- Department of General and Specialized Surgery, Sapienza University of Rome, Italy; Liverpool Centre of Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom.
| | - Paul R J Ames
- Immune Response and Vascular Disease Unit, CEDOC, Nova University Lisbon, Rua Camara Pestana, Lisbon, Portugal; Department of Haematology, Dumfries Royal Infirmary, Cargenbridge, Dumfries, United Kingdom
| | - Vittoria Cammisotto
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
| | - Chiara Cardamone
- Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy
| | | | - Bianca Mangoni
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
| | - Massimo Triggiani
- Division of Allergy and Clinical Immunology, University of Salerno, Salerno, Italy
| | - Roberto Carnevale
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Rome, Italy; IRCCS Neuromed, Località Camerelle, 86077 Pozzilli, IS, Italy
| | - Gregory Y H Lip
- Liverpool Centre of Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom; Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Denmark
| | - Daniele Pastori
- Liverpool Centre of Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom; Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy.
| | - Pasquale Pignatelli
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
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Napiórkowska-Baran K, Schmidt O, Szymczak B, Lubański J, Doligalska A, Bartuzi Z. Molecular Linkage between Immune System Disorders and Atherosclerosis. Curr Issues Mol Biol 2023; 45:8780-8815. [PMID: 37998729 PMCID: PMC10670175 DOI: 10.3390/cimb45110552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/26/2023] [Accepted: 10/30/2023] [Indexed: 11/25/2023] Open
Abstract
A strong relationship exists between immune dysfunction and cardiovascular disease. Immune dysregulation can promote the development of cardiovascular diseases as well as exacerbate their course. The disorders may occur due to the presence of primary immune defects (currently known as inborn errors of immunity) and the more common secondary immune deficiencies. Secondary immune deficiencies can be caused by certain chronic conditions (such as diabetes, chronic kidney disease, obesity, autoimmune diseases, or cancer), nutritional deficiencies (including both lack of nutrients and bioactive non-nutrient compounds), and medical treatments and addictive substances. This article unravels the molecular linkage between the aforementioned immune system disorders and atherosclerosis.
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Affiliation(s)
- Katarzyna Napiórkowska-Baran
- Department of Allergology, Clinical Immunology and Internal Diseases, Collegium Medicum Bydgoszcz, Nicolaus Copernicus University Toruń, 85-067 Bydgoszcz, Poland;
| | - Oskar Schmidt
- Student Research Club of Clinical Immunology, Department of Allergology, Clinical Immunology and Internal Diseases, Collegium Medicum Bydgoszcz, Nicolaus Copernicus University Toruń, 85-067 Bydgoszcz, Poland; (O.S.); (B.S.); (J.L.); (A.D.)
| | - Bartłomiej Szymczak
- Student Research Club of Clinical Immunology, Department of Allergology, Clinical Immunology and Internal Diseases, Collegium Medicum Bydgoszcz, Nicolaus Copernicus University Toruń, 85-067 Bydgoszcz, Poland; (O.S.); (B.S.); (J.L.); (A.D.)
| | - Jakub Lubański
- Student Research Club of Clinical Immunology, Department of Allergology, Clinical Immunology and Internal Diseases, Collegium Medicum Bydgoszcz, Nicolaus Copernicus University Toruń, 85-067 Bydgoszcz, Poland; (O.S.); (B.S.); (J.L.); (A.D.)
| | - Agata Doligalska
- Student Research Club of Clinical Immunology, Department of Allergology, Clinical Immunology and Internal Diseases, Collegium Medicum Bydgoszcz, Nicolaus Copernicus University Toruń, 85-067 Bydgoszcz, Poland; (O.S.); (B.S.); (J.L.); (A.D.)
| | - Zbigniew Bartuzi
- Department of Allergology, Clinical Immunology and Internal Diseases, Collegium Medicum Bydgoszcz, Nicolaus Copernicus University Toruń, 85-067 Bydgoszcz, Poland;
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Qin R, Wu H, Guan H, Tang C, Zheng Z, Deng C, Chen C, Zou Q, Lu L, Ma K. Anti-phospholipid autoantibodies in human diseases. Clin Immunol 2023; 256:109803. [PMID: 37821073 DOI: 10.1016/j.clim.2023.109803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/24/2023] [Accepted: 10/05/2023] [Indexed: 10/13/2023]
Abstract
Anti-phospholipid autoantibodies are a group of antibodies that can specifically bind to anionic phospholipids and phospholipid protein complexes. Recent studies have reported elevated serum anti-phospholipid autoantibody levels in patients with antiphospholipid syndrome, systemic lupus erythematosus, rheumatoid arthritis, metabolic disorders, malaria, SARS-CoV-2 infection, obstetric diseases and cardiovascular diseases. However, the underlying mechanisms of anti-phospholipid autoantibodies in disease pathogenesis remain largely unclear. Emerging evidence indicate that anti-phospholipid autoantibodies modulate NETs formation, monocyte activation, blockade of apoptotic cell phagocytosis in macrophages, complement activation, dendritic cell activation and vascular endothelial cell activation. Herein, we provide an update on recent advances in elucidating the effector mechanisms of anti-phospholipid autoantibodies in the pathogenesis of various diseases, which may facilitate the development of potential therapeutic targets for the treatment of anti-phospholipid autoantibody-related disorders.
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Affiliation(s)
- Rencai Qin
- Shenzhen Key Laboratory for Systems Medicine in Inflammatory Diseases, Centre for Infection and Immunity Studies (CIIS), School of Medicine, The Seventh Affiliated Hospital, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Haiqi Wu
- Shenzhen Key Laboratory for Systems Medicine in Inflammatory Diseases, Centre for Infection and Immunity Studies (CIIS), School of Medicine, The Seventh Affiliated Hospital, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Hui Guan
- Shenzhen Key Laboratory for Systems Medicine in Inflammatory Diseases, Centre for Infection and Immunity Studies (CIIS), School of Medicine, The Seventh Affiliated Hospital, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Chun Tang
- Shenzhen Key Laboratory for Systems Medicine in Inflammatory Diseases, Centre for Infection and Immunity Studies (CIIS), School of Medicine, The Seventh Affiliated Hospital, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Zhihua Zheng
- Shenzhen Key Laboratory for Systems Medicine in Inflammatory Diseases, Centre for Infection and Immunity Studies (CIIS), School of Medicine, The Seventh Affiliated Hospital, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Chong Deng
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong 999077, China
| | - Chengshun Chen
- Department of Rheumatology and Immunology, First Affiliated Hospital of Army Medical University, Chongqing, China
| | - Qinghua Zou
- Department of Rheumatology and Immunology, First Affiliated Hospital of Army Medical University, Chongqing, China.
| | - Liwei Lu
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong 999077, China.
| | - Kongyang Ma
- Shenzhen Key Laboratory for Systems Medicine in Inflammatory Diseases, Centre for Infection and Immunity Studies (CIIS), School of Medicine, The Seventh Affiliated Hospital, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, Guangdong 518107, China.
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Andrade D, Tektonidou MG. Assessing disease activity and damage in antiphospholipid syndrome. Clin Immunol 2023; 255:109727. [PMID: 37558149 DOI: 10.1016/j.clim.2023.109727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/13/2023] [Accepted: 07/16/2023] [Indexed: 08/11/2023]
Abstract
Antiphospholipid syndrome (APS) has been characterized by a variety of vascular and pregnancy manifestations related to an interplay between thrombotic and inflammatory mechanisms, a progressive accrual of irreversible organ damage and increased morbidity and mortality rates, supporting a high need of optimal treatment approach. The lack of standardized outcome measures is a significant barrier in the design of clinical studies in APS. Disease activity (in principle reversible) and its distinction from disease damage (in principle irreversible) needs to be evaluated by validated scores for use in clinical trials but also in daily clinical practice in APS. A disease damage score in APS, the DIAPS score, has been developed and validated in external cohorts. The development of a disease activity score that will provide an accurate and reproducible rating of each disease domain, can help clinicians and researchers to comprehensively assess the activity of disease and the response to treatment, in an attempt to prevent future damage.
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Affiliation(s)
- Danieli Andrade
- Rheumatology Department, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil.
| | - Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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11
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An R, Yang Y, Liu L, Li P. SAMD1 attenuates antiphospholipid syndrome-induced pregnancy complications. Immun Inflamm Dis 2023; 11:e1006. [PMID: 37904675 PMCID: PMC10614121 DOI: 10.1002/iid3.1006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/28/2023] [Accepted: 08/31/2023] [Indexed: 11/01/2023] Open
Abstract
OBJECTIVE This study was intended to investigate the effect of SAMD1 on antiphospholipid syndrome (APS)-induced pregnancy complications in mice. METHODS The mRNA and protein expression of SAMD1 in APS patients and healthy controls was detected by qRT-PCR and western blot. Anti-B2 GPI and ACA levels were tested by ELISA, MMP-9, iNOS, ICAM-1 and MCP-1 mRNA and protein levels determined by qRT-PCR and western blot, cellular senescence detected by β-galactosidase staining, cell proliferation ability detected by CCK-8 assay, cell viability detected by trypan blue staining, cell mobility detected by Transwell, and cell angiogenesis ability detected by matrigel tube formation assay. An APS pregnant mouse model was constructed, and the embryo absorption rate was calculated. RESULTS SAMD1 expression was low in serum of APS patients, which was correlated with the history of thrombosis and the number of adverse pregnancies. Anti-B2 GPI and ACA levels were increased in APS. The expressions of MMP-9, iNOS, ICAM-1, and MCP-1 were also significantly upregulated in HUVECs treated with APS serum. APS promoted HUVEC senescence and inhibited cell proliferation, migration and angiogenesis. Overexpression of SAMD1 reversed the above results. Experiments on the APS pregnant mouse model confirmed that overexpression of SAMD1 reduced the rate of fetal loss. CONCLUSION SAMD1 may reduce APS-induced embryo loss by regulating cellular senescence, proliferation, migration, and angiogenesis.
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Affiliation(s)
- Ran An
- Department of Obstetrics and GynecologyThe Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangP.R. China
| | - Yanqi Yang
- Department of Obstetrics and GynecologyThe Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangP.R. China
| | - Lei Liu
- Department of Obstetrics and GynecologyThe Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangP.R. China
| | - Peiling Li
- Department of Obstetrics and GynecologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangP.R. China
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12
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Pappa M, Ntouros PA, Papanikolaou C, Sfikakis PP, Souliotis VL, Tektonidou MG. Augmented oxidative stress, accumulation of DNA damage and impaired DNA repair mechanisms in thrombotic primary antiphospholipid syndrome. Clin Immunol 2023; 254:109693. [PMID: 37454866 DOI: 10.1016/j.clim.2023.109693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
Antiphospholipid syndrome (APS) is a rare autoimmune disorder with complex pathogenesis. Studies have shown that oxidative stress may contribute to APS pathophysiology. In peripheral blood mononuclear cells (PBMCs) from thrombotic Primary APS (thrPAPS) patients and age/sex-matched healthy controls (HC), as well as a control group of asymptomatic antiphospholipid antibody (aPL) positive individuals without APS (aPL+/non-APS), we examined oxidative stress, abasic (apurinic/apyrimidinic) sites, and DNA damage response (DDR)-associated parameters, including endogenous DNA damage (single- and double-strand breaks) and DNA repair mechanisms, namely nucleotide excision repair (NER) and double-strand breaks repair (DSB/R). We found that thrPAPS patients exhibited significantly higher levels of endogenous DNA damage, increased oxidative stress and abasic sites, as well as lower NER and DSB/R capacities versus HC (all P < 0.001) and versus aPL+/non-APS subjects (all P < 0.05). Our findings demonstrate that oxidative stress and decreased DNA repair mechanisms contribute to the accumulation of endogenous DNA damage in PBMCs from thrPAPS patients and, if further validated, may be exploited as therapeutic targets and potential biomarkers.
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Affiliation(s)
- Maria Pappa
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis A Ntouros
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Petros P Sfikakis
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Vassilis L Souliotis
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece; Institute of Chemical Biology, National Hellenic Research Foundation, Athens, Greece
| | - Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
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13
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Simman R, Oostra D, Sullivan P, Wilson M, Khatib J, Jackson SE. Wounds resulting from non-malignant haematological disease: a case series. J Wound Care 2023; 32:S6-S18. [PMID: 37405961 DOI: 10.12968/jowc.2023.32.sup7.s6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
A proactive and systemic approach is imperative to preventing wounds due to disorders of non-malignant haematologic disease. Here, the authors provide several examples of patients with either a known history or acute diagnosis of a coagulation disorder with the aim of reviewing potential cutaneous injuries as well as diagnosis and treatment. A description of the wound and treatment course along with recommendations where appropriate are presented. The article serves as a general review for health professionals who may encounter patients with this disorder and who are involved in treatment decisions. After reviewing the article, the practitioner will be able to identify cutaneous injuries that may be secondary to an underlying haematological disorder, review the diagnosis and treatment recommended, and understand the need for a multidisciplinary approach to patient care.
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Affiliation(s)
- Richard Simman
- University of Toledo, College of Medicine and Life Science, Department of Surgery, Toledo, Ohio, US
- Jobst Vascular Institute, ProMedica Health Network, Toledo, Ohio, US
| | - Drew Oostra
- Jobst Vascular Institute, ProMedica Health Network, Toledo, Ohio, US
- University of Toledo, College of Medicine and Life Sciences, Department of Hematology and Oncology, Toledo, Ohio, US
| | - Patrick Sullivan
- Jobst Vascular Institute, ProMedica Health Network, Toledo, Ohio, US
| | - Michael Wilson
- Department of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State University, Dayton Ohio, US
| | - Jude Khatib
- Department of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State University, Dayton Ohio, US
| | - Sarah E Jackson
- University of Toledo, College of Medicine and Life Science, Department of Internal Medicine, Toledo, Ohio, US
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14
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Najjar AA, Hassouna I, Srour MA, Ibrahim HM, Assi RY, Abd El Latif HM. Evaluation of platelet parameters, coagulation markers, antiphospholipid syndrome, and thyroid function in palestinian women with recurrent pregnancy loss. BMC Pregnancy Childbirth 2023; 23:459. [PMID: 37340363 DOI: 10.1186/s12884-023-05764-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 06/06/2023] [Indexed: 06/22/2023] Open
Abstract
BACKGROUND Multiple etiologies contribute to recurrent pregnancy loss (RPL) including immunological, endocrine, anatomical, genetic and infection but more than 50% of cases remain unexplained. Evidences of thrombotic and inflammatory processes were observed at maternal-fetal interface and considered pathological findings in most RPL cases including unexplained cases. This study aimed to evaluate the association between RPL and several risk factors: platelet parameters, coagulation factors, antiphospholipid syndrome, and thyroid function. METHODS This is an unmatched case-control study that included 100 RPL and 100 control women. Anthropometric and health data were collected and a gynecologist examined participants to assure fitting the inclusion criteria. Platelet parameters [including Mean Platelet Mass (MPM), Concentration (MPC) and Volume (MPV)] and ratios (MPV/Platelet, MPC/Platelet, MPM/Platelet, Platelet/Mononuclear cells), coagulation markers [Protein C (PC), Protein S (PS), Antithrombin III, D-dimer], antiphospholipid antibodies [Anti-phospholipid (APA), Anti-cardiolipin (ACA) and anti-B2-glycoprotein 1], Lupus anticoagulant, Antinuclear antibodies, and thyroid function (Thyroid stimulating hormone and anti-thyroid peroxidase) were measured. RESULTS Mean ages of cases and controls at marriage were 22.5 years for both, and their current ages were 29.4 and 33.0, respectively. 92% of cases and 99% of controls aged blow 30 years at marriage. 75% of cases have 3-4 miscarriages and 9% have ≥ 7 miscarriages. Our results indicated significantly lower male/female age ratio (p = .019), PC (p = .036) and PS (p = .025) in cases compared to controls. Plasma D-dimer (p = .020) and antiphospholipid antibodies [ACA (IgM and IgG), APA (IgM)] were significantly higher in cases compared to controls. No significant differences were observed between cases and controls concerning APA (IgG), anti-B2-glycoprotein 1 (IgM and IgG), Lupus anticoagulant, Antinuclear antibodies, platelet parameters, thyroid markers, family history of miscarriage, consanguineous marriage, and other health data. CONCLUSIONS This is the first study that investigated the association between platelet, coagulation, antiphospholipid, autoimmune and thyroid parameters, and RPL in Palestinian women. Significant associations between male/female age ratio, PC, PS, D-dimer, ACA (IgM, IgG), APA (IgM) and RPL were observed. These markers could be used in evaluating RPL. These findings confirm the heterogeneous nature of RPL and emphasize the need for further studies to find out risk factors for RPL.
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Affiliation(s)
- Ayman A Najjar
- Zoology Department, Faculty of Science, Menoufia University, Menoufia, Egypt
| | - Imam Hassouna
- Zoology Department, Faculty of Science, Menoufia University, Menoufia, Egypt
| | - Mahmoud A Srour
- Department of Biology and Biochemistry, Faculty of Science, Birzeit University, Birzeit, Palestine.
- Clinical Laboratory Science program, Faculty of Pharmacy, Nursing and Health Professions, Birzeit University, Birzeit, Palestine.
| | - Hany M Ibrahim
- Zoology Department, Faculty of Science, Menoufia University, Menoufia, Egypt.
| | - Randa Y Assi
- Department of Obstetrics & Gynecology, Faculty of Medicine, Al-Quds University, Jerusalem, Palestine
| | - Heba M Abd El Latif
- Zoology Department, Faculty of Science, Menoufia University, Menoufia, Egypt
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15
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Han Z, Liu Q, Li H, Zhang M, You L, Lin Y, Wang K, Gou Q, Wang Z, Zhou S, Cai Y, Yuan L, Chen H. The role of monocytes in thrombotic diseases: a review. Front Cardiovasc Med 2023; 10:1113827. [PMID: 37332592 PMCID: PMC10272466 DOI: 10.3389/fcvm.2023.1113827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 05/18/2023] [Indexed: 06/20/2023] Open
Abstract
Cardiovascular and cerebrovascular diseases are the number one killer threatening people's life and health, among which cardiovascular thrombotic events are the most common. As the cause of particularly serious cardiovascular events, thrombosis can trigger fatal crises such as acute coronary syndrome (myocardial infarction and unstable angina), cerebral infarction and so on. Circulating monocytes are an important part of innate immunity. Their main physiological functions are phagocytosis, removal of injured and senescent cells and their debris, and development into macrophages and dendritic cells. At the same time, they also participate in the pathophysiological processes of pro-coagulation and anticoagulation. According to recent studies, monocytes have been found to play a significant role in thrombosis and thrombotic diseases of the immune system. In this manuscript, we review the relationship between monocyte subsets and cardiovascular thrombotic events and analyze the role of monocytes in arterial thrombosis and their involvement in intravenous thrombolysis. Finally, we summarize the mechanism and therapeutic regimen of monocyte and thrombosis in hypertension, antiphospholipid syndrome, atherosclerosis, rheumatic heart disease, lower extremity deep venous thrombosis, and diabetic nephropathy.
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Affiliation(s)
- Zhongyu Han
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qiong Liu
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hongpeng Li
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Meiqi Zhang
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Luling You
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yumeng Lin
- Eye School of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ke Wang
- Eye School of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qiaoyin Gou
- Eye School of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhanzhan Wang
- Lianyungang Clinical College of Nanjing Medical University, Lianyungang, China
| | - Shuwei Zhou
- Department of Radiology, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - YiJin Cai
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lan Yuan
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Haoran Chen
- Science and Education Department, Chengdu Xinhua Hospital, Chengdu, China
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16
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Du X, Ma X, Tan Y, Shao F, Li C, Zhao Y, Miao Y, Han L, Dang G, Song Y, Yang D, Deng Z, Wang Y, Jiang C, Kong W, Feng J, Wang X. B cell-derived anti-beta 2 glycoprotein I antibody mediates hyperhomocysteinemia-aggravated hypertensive glomerular lesions by triggering ferroptosis. Signal Transduct Target Ther 2023; 8:103. [PMID: 36907919 PMCID: PMC10008839 DOI: 10.1038/s41392-023-01313-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 10/14/2022] [Accepted: 01/09/2023] [Indexed: 03/14/2023] Open
Abstract
Hyperhomocysteinemia (HHcy) is a risk factor for chronic kidney diseases (CKDs) that affects about 85% CKD patients. HHcy stimulates B cells to secrete pathological antibodies, although it is unknown whether this pathway mediates kidney injury. In HHcy-treated 2-kidney, 1-clip (2K1C) hypertensive murine model, HHcy-activated B cells secreted anti-beta 2 glycoprotein I (β2GPI) antibodies that deposited in glomerular endothelial cells (GECs), exacerbating glomerulosclerosis and reducing renal function. Mechanistically, HHcy 2K1C mice increased phosphatidylethanolamine (PE) (18:0/20:4, 18:0/22:6, 16:0/20:4) in kidney tissue, as determined by lipidomics. GECs oxidative lipidomics validated the increase of oxidized phospholipids upon Hcy-activated B cells culture medium (Hcy-B CM) treatment, including PE (18:0/20:4 + 3[O], PE (18:0a/22:4 + 1[O], PE (18:0/22:4 + 2[O] and PE (18:0/22:4 + 3[O]). PE synthases ethanolamine kinase 2 (etnk2) and ethanolamine-phosphate cytidylyltransferase 2 (pcyt2) were increased in the kidney GECs of HHcy 2K1C mice and facilitated polyunsaturated PE synthesis to act as lipid peroxidation substrates. In HHcy 2K1C mice and Hcy-B CM-treated GECs, the oxidative environment induced by iron accumulation and the insufficient clearance of lipid peroxides caused by transferrin receptor (TFR) elevation and down-regulation of SLC7A11/glutathione peroxidase 4 (GPX4) contributed to GECs ferroptosis of the kidneys. In vivo, pharmacological depletion of B cells or inhibition of ferroptosis mitigated the HHcy-aggravated hypertensive renal injury. Consequently, our findings uncovered a novel mechanism by which B cell-derived pathogenic anti-β2GPI IgG generated by HHcy exacerbated hypertensive kidney damage by inducing GECs ferroptosis. Targeting B cells or ferroptosis may be viable therapeutic strategies for ameliorating lipid peroxidative renal injury in HHcy patients with hypertensive nephropathy.
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Affiliation(s)
- Xing Du
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Xiaolong Ma
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Ying Tan
- Department of Nephrology, Peking University First Hospital, 100034, Beijing, P. R. China
| | - Fangyu Shao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Chun Li
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Yang Zhao
- Department of Laboratory Medicine, Peking University Third Hospital, 100083, Beijing, P. R. China
| | - Yutong Miao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Lulu Han
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Guohui Dang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Yuwei Song
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Dongmin Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Zhenling Deng
- Department of Nephrology, Peking University Third Hospital, 100083, Beijing, P. R. China
| | - Yue Wang
- Department of Nephrology, Peking University Third Hospital, 100083, Beijing, P. R. China
| | - Changtao Jiang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China
| | - Juan Feng
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China.
| | - Xian Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University, 100191, Beijing, P. R. China.
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Bolla E, Tentolouris N, Sfikakis PP, Tektonidou MG. Metabolic syndrome in antiphospholipid syndrome versus rheumatoid arthritis and diabetes mellitus: Association with arterial thrombosis, cardiovascular risk biomarkers, physical activity, and coronary atherosclerotic plaques. Front Immunol 2023; 13:1077166. [PMID: 36700208 PMCID: PMC9868803 DOI: 10.3389/fimmu.2022.1077166] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 12/19/2022] [Indexed: 01/11/2023] Open
Abstract
Background Cardiovascular disease (CVD) is the foremost cause of morbidity and deaths in antiphospholipid syndrome (APS), driven by thrombo-inflammation and atherothrombosis mechanisms. Metabolic syndrome (MetS) is a proinflammatory and prothrombotic state characterized by increased CVD risk. We aimed to evaluate the prevalence of MetS in APS patients compared to rheumatoid arthritis (RA) and diabetes mellitus (DM) and its associations with clinical and laboratory patient characteristics and vascular ultrasound (US) markers of subclinical atherosclerosis. Methods We included 414 patients in our study: 138 patients with APS (median age: 44.9 years, females 70%) and matched 1:1 for age and sex RA and DM subjects. Three sets of criteria were used for MetS diagnosis: Joint Interim Statement (JIS), International Diabetes Federation (IDF) and modified National Cholesterol Education Program Adult Treatment Panel III (NCEP-ATPIII). The demographic, clinical and laboratory characteristics of all participants were recorded and carotid and femoral US was performed in patients with APS. Multivariate regression models were applied. Results Prevalence of MetS was 23.9%, 23.2%, 20.3% (based on JIS, IDF, modified NCEP-ATPIII criteria, respectively) in APS versus 17.4%, 17.4%, 13% in RA (p=0.181, p=0.231, p=0.106, respectively), and 44.2%, 44.2%, 40.6% in DM patients. In multivariate analysis, patients with systemic lupus erythematosus- related APS had an approximately 2.5-fold higher risk of MetS versus RA patients. MetS in APS was independently associated with arterial thrombosis (Odds ratio 3.5, p=0.030). Odds ratio for MetS was 1.16 for each one unit increase in C-reactive protein levels according to JIS and IDF criteria, and 1.49 and 1.47 for each one unit increase in uric acid levels using the IDF and modified NCEP-ATPIII models, respectively. APS patients with atherosclerotic carotid plaques had 4 to 6.5-fold increased risk of MetS. Odds for MetS were decreased by 26% with an increase in physical activity by one hour per week. Conclusions MetS is present in approximately one-fourth of APS patients at a comparable prevalence to that observed in patients with RA. MetS in APS is associated with arterial thrombosis, cardiovascular risk biomarkers, physical activity, and subclinical atherosclerosis, supporting its role in cardiovascular risk stratification and management in APS.
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Affiliation(s)
- Eleana Bolla
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Petros P. Sfikakis
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Maria G. Tektonidou
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece,*Correspondence: Maria G. Tektonidou, ;
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18
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Verrou KM, Sfikakis PP, Tektonidou MG. Whole blood transcriptome identifies interferon-regulated genes as key drivers in thrombotic primary antiphospholipid syndrome. J Autoimmun 2023; 134:102978. [PMID: 36587511 DOI: 10.1016/j.jaut.2022.102978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 12/10/2022] [Accepted: 12/11/2022] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Pathogenesis of antiphospholipid syndrome (APS) isn't fully elucidated. We aimed to identify gene signatures characterizing thrombotic primary APS (thrPAPS) and subgroups at high risk for worse outcomes. METHODS We performed whole blood next-generation RNA-sequencing in 62 patients with thrPAPS and 29 age-/sex-matched healthy controls (HCs), followed by differential gene expression analysis (DGEA) and enrichment analysis. We trained models on transcriptomics data using machine learning. RESULTS DGEA of 12.306 genes revealed 34 deregulated genes in thrPAPS versus HCs; 33 were upregulated by at least 2-fold, and 14/33 were type I and II interferon-regulated genes (IRGs) as determined by interferome database. Machine learning applied to deregulated genes returned 79% accuracy to discriminate thrPAPS from HCs, which increased to 82% when only the most informative IRGs were analyzed. Comparison of thrPAPS subgroups versus HCs showed an increased presence of IRGs among upregulated genes in venous thrombosis (21/23, 91%), triple-antiphospholipid antibody (aPL) positive (30/50, 60%), and recurrent thrombosis (19/42, 45%) subgroups. Enrichment analysis of upregulated genes in triple-aPL positive patients revealed terms related to 'type I interferon signaling pathway' and 'innate immune response'. DGEA among thrPAPS subgroups revealed upregulated genes, including IRGs, in patients with venous versus arterial thrombosis (n = 11, 9 IRGs), triple-aPL versus non-triple aPL (n = 10, 9 IRGs), and recurrent versus non-recurrent thrombosis (n = 10, 3 IRGs). CONCLUSION Upregulated IRGs may better discriminate thrPAPS from HCs than all deregulated genes in peripheral blood. Taken together with DGEA data, IRGs are highly expressed in thrPAPS and high-risk subgroups of triple-aPL and recurrent thrombosis, with potential treatment implications.
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Affiliation(s)
- Kleio-Maria Verrou
- Center of New Biotechnologies & Precision Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Petros P Sfikakis
- Center of New Biotechnologies & Precision Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece; Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
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19
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Fan KQ, Huang T, Yu JS, Li YY, Jin J. The clinical features and potential mechanisms of cognitive disorders in peripheral autoimmune and inflammatory diseases. FUNDAMENTAL RESEARCH 2022. [DOI: 10.1016/j.fmre.2022.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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20
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Solow EB, Mineo C. Editorial: Cardiovascular diseases in autoimmune diseases: Dyslipidemia and vascular inflammation. Front Cardiovasc Med 2022; 9:1043669. [DOI: 10.3389/fcvm.2022.1043669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/09/2022] [Indexed: 11/23/2022] Open
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21
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Costa R, Fatourou E, Hoppensteadt D, Fareed J, Halaris A. Cardiolipin Antibody: A Potential Biomarker for Depression. J Pers Med 2022; 12:jpm12111759. [PMID: 36573728 PMCID: PMC9697829 DOI: 10.3390/jpm12111759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/11/2022] [Accepted: 10/19/2022] [Indexed: 02/01/2023] Open
Abstract
Background: Inflammation plays a pivotal role in the etiopathology of Major Depressive Disorder (MDD), at least in a subset of patients. It is crucial to first establish which specific inflammatory biomarkers are of clinical utility. Anti-cardiolipin antibody (aCL IgM) is an inflammatory marker that has the potential to be such a candidate but there are insufficient studies to confirm this potential. Objective: To investigate the baseline titer level and the longitudinal progression of plasma titers of aCL IgM in MDD subjects receiving antidepressant therapy in comparison to healthy control (HC) subjects; to determine if changes in aCL IgM plasma titers correlate to changes in depressive symptoms; and, to ascertain if baseline aCL IgM plasma titers could predict treatment response. Methods: Forty-eight medically healthy outpatients diagnosed with MDD were enrolled in one of two groups in two sequentially conducted clinical trials. In Group-E, patients received a 12-week regimen of escitalopram (n = 20). Those in Group-Q received a 12-week regimen of quetiapine (n = 28). The main outcome measure was plasma aCL IgM titers, the Hamilton Rating Scale for Depression (HAM-D17) and the Hamilton Rating Scale for Anxiety (HAM-A). There were 16 HC subjects. Results: When Group-Q and Group-E participants were grouped together (n = 48), MDD subjects had an elevated baseline aCL IgM (19.9 μg/mL) compared to HC subjects (8.32 μg/mL) (p = 0.006). aCL IgM correlated significantly with HAM-D17 scores at baseline in MDD subjects (p = 0.0185, r = 0.296). Examining the individual groups, Group-Q MDD patients had a significantly elevated baseline aCL IgM (p = 0.008) while Group-E's MDD patients did not. On the other hand, only Group-E MDD patients showed a significant correlation at baseline between aCL IgM and HAM-A score (p = 0.0392, r = 0.4327); they also showed a significant inverse correlation between week 12 HAMD-17 Item #10 (Anxiety, Psychic) and week 12 aCL IgM titer (p = 0.0268, r = -0.5516). Conclusions: MDD patients had significantly higher plasma titers of aCL IgM when compared to HC subjects. Moreover, at baseline, the higher the aCL IgM titer, the higher the depression severity, as measured by HAMD-17 score. However, this study did not demonstrate that aCL IgM titers changed significantly throughout a 12-week course of antidepressant treatment and revealed no correlation between changes in depressive symptoms and changes in aCL IgM titers. Baseline aCL IgM could not predict treatment response. We conclude that, despite lacking predictive ability as regards treatment response, plasma titers of aCL IgM have a diagnostic potential in MDD that necessitates further exploration.
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Affiliation(s)
- Renzo Costa
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Chicago Stritch School of Medicine, Maywood, IL 60153, USA
| | - Evangelia Fatourou
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai/Elmhurst Hospital Center, New York, NY 10029, USA
| | - Debra Hoppensteadt
- Department of Pathology, Laboratory Medicine, Loyola University Medical Center, Maywood, IL 60153, USA
| | - Jawed Fareed
- Department of Pathology, Laboratory Medicine, Loyola University Medical Center, Maywood, IL 60153, USA
| | - Angelos Halaris
- Department of Psychiatry and Behavioral Neurosciences, Loyola University Chicago Stritch School of Medicine, Maywood, IL 60153, USA
- Correspondence:
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22
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An R, Yang Y, Liu L, Li P. SAMD1 attenuates antiphospholipid syndrome-induced vascular injury and pregnancy complications. Immun Inflamm Dis 2022; 10:e678. [PMID: 36039649 PMCID: PMC9382866 DOI: 10.1002/iid3.678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/22/2022] [Accepted: 07/04/2022] [Indexed: 01/28/2023] Open
Abstract
OBJECTIVE This study was intended to investigate the effect of SAMD1 on antiphospholipid syndrome (APS)-induced vascular injury in human umbilical vein endothelial cells (HUVECs) and pregnancy complications in mice. METHODS The expression of SAMD1 in APS patients and healthy controls was detected by quantitative real-time polymerase chain reaction (qRT-PCR). Anti-B2 GPI and anticardiolipin antibody (ACA) levels were tested by enzyme-linked immunosorbent assay, MMP-9, iNOS, ICAM-1, and MCP-1 mRNA and protein levels determined by qRT-PCR and Western blot, cellular senescence detected by β-galactosidase staining, cell proliferation ability detected by CCK-8 assay, cell viability detected by trypan blue staining, cell mobility detected by Transwell, and cell angiogenesis ability detected by matrigel tube formation assay. An APS pregnant mouse model was constructed, and the embryo absorption rate was calculated. RESULTS SAMD1 expression was low in serum of APS patients, which was correlated with the history of thrombosis and the number of adverse pregnancies. Anti-B2 GPI and ACA levels were increased in APS. The expressions of MMP-9, iNOS, ICAM-1, and MCP-1 were also significantly upregulated in HUVECs treated with APS serum. APS promoted HUVEC senescence and inhibited cell proliferation, migration, and angiogenesis. Overexpression of SAMD1 reversed the above results. Experiments on the APS pregnant mouse model confirmed that overexpression of SAMD1 reduced the rate of fetal loss. CONCLUSION SAMD1 may reduce APS-induced vascular injury and embryo loss by regulating cellular senescence, proliferation, migration, and angiogenesis.
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Affiliation(s)
- Ran An
- Department of Obstetrics and Gynecology, the Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangChina
| | - Yanqi Yang
- Department of Obstetrics and Gynecology, the Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangChina
| | - Lei Liu
- Department of Obstetrics and Gynecology, the Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangChina
| | - Peiling Li
- Department of Obstetrics and Gynecology, the Second Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangChina
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23
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Plunde O, Svenungsson E, Ferrannini G, Franco-Cereceda A, Bäck M. Antiphospholipid antibodies in patients with calcific aortic valve stenosis. Rheumatology (Oxford) 2022; 62:1187-1196. [PMID: 35961031 PMCID: PMC9977117 DOI: 10.1093/rheumatology/keac466] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 08/09/2022] [Accepted: 08/09/2022] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES The antiphospholipid syndrome is defined by antiphospholipid antibodies (aPL) together with arterial and/or venous thromboembolism and/or obstetric morbidities. aPL are overrepresented in SLE and acute myocardial infarction, but it is unknown whether aPL are associated with calcific aortic valve stenosis (CAVS) in the general population. The prevalence of aPL and other SLE-associated autoantibodies and their impact on aortic valve transcriptomics were therefore determined. METHODS A total of 233 tricuspid CAVS cases (median age 74, 69% male) and an age- and sex-matched control population were included. aPL were measured as anti-cardiolipin and anti-β2Glycoprotein-I of IgG/M/A isotypes. Resilient, thickened and calcified aortic valve (AV) tissue derived from five aPL positive and five matched aPL negative CAVS patients undergoing surgical aortic valve replacement were analysed by microarrays. RESULTS The prevalence of positivity for any aPL (IgG/M/A) in patients with CAVS was 6.4% (95% CI 3.6% - 10.4%: n = 233). aPL IgG was significantly more prevalent in CAVS cases vs controls (4.6% vs 0.6%, P = 0.04). AV tissue from aPL IgG/IgM-positive patients was negatively enriched in pathways related to interferon signalling. One hundred differentially expressed genes could predict local AV CAVS progression with supervised machine learning algorithms. CONCLUSIONS aPL IgG was more common in CAVS patients compared with matched controls and aPL positivity was associated with altered AV transcriptomics related to local disease progression and interferon pathways. Further studies should aim to establish aPL as a possible risk marker and/or causal factor for CAVS and could offer new precision therapeutic targets.
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Affiliation(s)
- Oscar Plunde
- Correspondence to: Oscar Plunde, Department of Medicine, Karolinska Institutet, Translational Cardiology, Neo Research Building, Blickagången 16, 14157 Stockholm, Sweden. E-mail:
| | - Elisabet Svenungsson
- Department of Medicine Solna, Karolinska Institutet,Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital
| | - Giulia Ferrannini
- Department of Medicine Solna, Karolinska Institutet,Theme Heart and Vessels
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24
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Neuroimaging features of antiphospholipid antibody-related stroke compared with atrial fibrillation-related stroke. Sci Rep 2022; 12:11686. [PMID: 35804027 PMCID: PMC9270426 DOI: 10.1038/s41598-022-16019-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 07/04/2022] [Indexed: 12/04/2022] Open
Abstract
Recognizing the lesion pattern of antiphospholipid antibody-related stroke (aPL-stroke) may contribute to establishing the cause in patients with cryptogenic stroke. We aimed to describe the neuroimaging features of aPL-stroke compared with atrial fibrillation-related stroke (AF-stroke), a major hidden cause of cryptogenic stroke. Using a prospective stroke registry, we identified consecutive aPL- and AF-stroke patients without other potential causes of stroke. Neuroimaging features based on diffusion-weighted imaging and angiographic findings at admission were compared. A total of 56 and 333 patients were included in the aPL- and AF-stroke groups, respectively. aPL-stroke patients more often presented with single small lesions (aPL-stroke, 30.4% vs. AF-stroke, 7.5%, p < 0.001), while the predominant pattern in AF-stroke patients was large territorial lesions (26.8% vs. 56.5%, p < 0.001). aPL-stroke patients had smaller infarct volume (1.58 mL [0.45; 9.41] vs. 11.32 mL [2.82; 33.08], p < 0.001) and less experience of relevant artery occlusion (17.9% vs. 54.7%, p < 0.001). The proportion of multi-territory lesions, an embolic pattern, was similar between the two groups (28.6% vs. 22.8%, p = 0.44). In comparison only including patients with multi-territory lesions as well, aPL-stroke patients showed small lesion dominance and smaller infarct volume. Multivariate analyses showed independent associations between mild neuroimaging features (small lesion prevalence, smaller infarct volume, and absence of relevant artery occlusion) and aPL-stroke. Patterns of small lesion prevalence, small infarct volume, and absence of relevant artery occlusion were suggestive of aPL-stroke rather than AF-stroke. Cryptogenic stroke patients with such neuroimaging features may benefit from aPL testing for a precise diagnosis.
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25
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Causes, Angiographic Characteristics, and Management of Premature Myocardial Infarction: JACC State-of-the-Art Review. J Am Coll Cardiol 2022; 79:2431-2449. [PMID: 35710195 DOI: 10.1016/j.jacc.2022.04.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/31/2022] [Accepted: 04/13/2022] [Indexed: 12/13/2022]
Abstract
Among patients presenting with acute myocardial infarction (AMI), the proportion of young individuals has increased in recent years. Although coronary atherosclerosis is less extensive in young patients with AMI, with higher prevalence of single-vessel disease and rare left main involvement, the long-term prognosis is not benign. Young patients with AMI with obstructive coronary artery disease have similar risk factors as older patients except for higher prevalence of smoking, lipid disorders, and family history of premature coronary artery disease, and lower prevalence of diabetes mellitus and hypertension. Smoking cessation is by far the most effective secondary preventive measure. Myocardial infarction with nonobstructive coronary arteries is a relatively common clinical entity (10%-20%) among young patients with AMI, with intravascular and cardiac magnetic resonance imaging being key for diagnosis and potentially treatment. Spontaneous coronary artery dissection is a frequent pathogenetic mechanism of AMI among young women, requiring a high degree of suspicion, especially in the peripartum period.
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26
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Yao Y, Du Jiang P, Chao BN, Cagdas D, Kubo S, Balasubramaniyam A, Zhang Y, Shadur B, NaserEddin A, Folio LR, Schwarz B, Bohrnsen E, Zheng L, Lynberg M, Gottlieb S, Leney-Greene MA, Park AY, Tezcan I, Akdogan A, Gocmen R, Onder S, Rosenberg A, Soilleux EJ, Johnson E, Jackson PK, Demeter J, Chauvin SD, Paul F, Selbach M, Bulut H, Clatworthy MR, Tuong ZK, Zhang H, Stewart BJ, Bosio CM, Stepensky P, Clare S, Ganesan S, Pascall JC, Daumke O, Butcher GW, McMichael AJ, Simon AK, Lenardo MJ. GIMAP6 regulates autophagy, immune competence, and inflammation in mice and humans. J Exp Med 2022; 219:213217. [PMID: 35551368 PMCID: PMC9111091 DOI: 10.1084/jem.20201405] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 01/18/2022] [Accepted: 03/16/2022] [Indexed: 11/26/2022] Open
Abstract
Inborn errors of immunity (IEIs) unveil regulatory pathways of human immunity. We describe a new IEI caused by mutations in the GTPase of the immune-associated protein 6 (GIMAP6) gene in patients with infections, lymphoproliferation, autoimmunity, and multiorgan vasculitis. Patients and Gimap6−/− mice show defects in autophagy, redox regulation, and polyunsaturated fatty acid (PUFA)–containing lipids. We find that GIMAP6 complexes with GABARAPL2 and GIMAP7 to regulate GTPase activity. Also, GIMAP6 is induced by IFN-γ and plays a critical role in antibacterial immunity. Finally, we observed that Gimap6−/− mice died prematurely from microangiopathic glomerulosclerosis most likely due to GIMAP6 deficiency in kidney endothelial cells.
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Affiliation(s)
- Yikun Yao
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Ping Du Jiang
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Brittany N Chao
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD.,Nuffield Department of Medicine Research Building, Roosevelt Drive, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford, UK
| | - Deniz Cagdas
- Division of Immunology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.,Department of Pediatric Immunology, Institute of Child Health, Hacettepe University, Ankara, Turkey.,Ihsan Dogramaci Childrens Hospital, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Satoshi Kubo
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Arasu Balasubramaniyam
- Crystallography, Max-Delbrück-Centrum for Molecular Medicine in the Helmholtz Association, Berlin, Germany.,Institute for Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 6, Berlin, Germany
| | - Yu Zhang
- Human Immunological Diseases Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, Rockville, MD
| | - Bella Shadur
- Hadassah University Medical Center, Department of Bone Marrow Transplantation and Cancer Immunotherapy, Jerusalem, Israel.,The Garvan Institute of Medical Research, Immunology Division, Darlinghurst, Sydney, Australia.,St Vincent's Clinical School, University of New South Wales, Darlinghurst, Sydney, Australia
| | - Adeeb NaserEddin
- Hadassah University Medical Center, Department of Bone Marrow Transplantation and Cancer Immunotherapy, Jerusalem, Israel
| | - Les R Folio
- Clinical Center, National Institutes of Health, Bethesda, MD
| | - Benjamin Schwarz
- Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, Rockville, MD
| | - Eric Bohrnsen
- Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, Rockville, MD
| | - Lixin Zheng
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Matthew Lynberg
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Simone Gottlieb
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Michael A Leney-Greene
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,Human Immunological Diseases Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, Rockville, MD
| | - Ann Y Park
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Ilhan Tezcan
- Division of Immunology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.,Department of Pediatric Immunology, Institute of Child Health, Hacettepe University, Ankara, Turkey.,Ihsan Dogramaci Childrens Hospital, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Ali Akdogan
- Division of Rheumatology, Department of Internal Medicine, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Rahsan Gocmen
- Department of Radiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Sevgen Onder
- Department of Pathology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Avi Rosenberg
- Kidney Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD.,Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD
| | | | - Errin Johnson
- The Dunn School of Pathology, South Parks Road, Oxford, UK
| | - Peter K Jackson
- Baxter Laboratory, Departments of Microbiology & Immunology and Pathology Stanford University School of Medicine, Stanford, CA
| | - Janos Demeter
- Baxter Laboratory, Departments of Microbiology & Immunology and Pathology Stanford University School of Medicine, Stanford, CA
| | - Samuel D Chauvin
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
| | - Florian Paul
- Crystallography, Max-Delbrück-Centrum for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Matthias Selbach
- Crystallography, Max-Delbrück-Centrum for Molecular Medicine in the Helmholtz Association, Berlin, Germany.,Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Haydar Bulut
- Crystallography, Max-Delbrück-Centrum for Molecular Medicine in the Helmholtz Association, Berlin, Germany.,Institute for Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 6, Berlin, Germany
| | - Menna R Clatworthy
- Molecular Immunity Unit, University of Cambridge Department of Medicine, Medical Research Council Laboratory of Molecular Biology, Cambridge, UK.,Cellular Genetics, Wellcome Sanger Institute, Hinxton, UK
| | - Zewen K Tuong
- Molecular Immunity Unit, University of Cambridge Department of Medicine, Medical Research Council Laboratory of Molecular Biology, Cambridge, UK.,Cellular Genetics, Wellcome Sanger Institute, Hinxton, UK
| | - Hanlin Zhang
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford, UK
| | - Benjamin J Stewart
- Molecular Immunity Unit, University of Cambridge Department of Medicine, Medical Research Council Laboratory of Molecular Biology, Cambridge, UK.,Cellular Genetics, Wellcome Sanger Institute, Hinxton, UK
| | - Catharine M Bosio
- Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, Rockville, MD
| | - Polina Stepensky
- Hadassah University Medical Center, Department of Bone Marrow Transplantation and Cancer Immunotherapy, Jerusalem, Israel
| | - Simon Clare
- Host-Microbiota Interactions Laboratory, Wellcome Sanger Institute, Hinxton, UK
| | - Sundar Ganesan
- Biological Imaging Section, Research Technologies Branch, National Institute of Allergy and Infectious Diseases, Rockville, MD
| | - John C Pascall
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Babraham Research Campus, Cambridge, UK
| | - Oliver Daumke
- Crystallography, Max-Delbrück-Centrum for Molecular Medicine in the Helmholtz Association, Berlin, Germany.,Institute for Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 6, Berlin, Germany
| | - Geoffrey W Butcher
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Babraham Research Campus, Cambridge, UK
| | - Andrew J McMichael
- Nuffield Department of Medicine Research Building, Roosevelt Drive, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Anna Katharina Simon
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford, UK
| | - Michael J Lenardo
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.,National Institute of Allergy and Infectious Diseases Clinical Genomics Program, Rockville, MD
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27
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Anti-β2-GPI Antibodies Induce Endothelial Cell Expression of Tissue Factor by LRP6 Signal Transduction Pathway Involving Lipid Rafts. Cells 2022; 11:cells11081288. [PMID: 35455968 PMCID: PMC9025633 DOI: 10.3390/cells11081288] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 12/03/2022] Open
Abstract
In this study we analyzed whether anti-β2-GPI antibodies from patients with APS induce the endothelial cell expression of Tissue Factor (TF) by a LRP6 signal transduction pathway involving lipid rafts. HUVEC were stimulated with affinity purified anti-β2-GPI antibodies. Both LRP6 and β-catenin phosphorylation, as well as TF expression, were evaluated by western blot. Results demonstrated that triggering with affinity purified anti-β2-GPI antibodies induced LRP6 phosphorylation with consequent β-catenin activation, leading to TF expression on the cell surface. Interestingly, the lipid rafts affecting agent methyl-β-cyclodextrin as well as the LRP6 inhibitor Dickkopf 1 (DKK1) partially reduced the anti-β2-GPI antibodies effect, indicating that the anti-β2-GPI effects on TF expression may depend on a signalling transduction pathway involving both lipid rafts and LRP6. An interaction between β2-GPI, LRP6 and PAR-2 within these microdomains was demonstrated by gradient fractionation and coimmunoprecipitation experiments. Thus, anti-β2-GPI antibodies react with their target antigen likely associated to LRP6 and PAR-2 within plasma membrane lipid rafts of the endothelial cell. Anti-β2-GPI binding triggers β-catenin phosphorylation, leading to a procoagulant phenotype characterized by TF expression. These findings deal with a novel signal transduction pathway which provides new insight in the APS pathogenesis, improving the knowledge of valuable therapeutic target(s).
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28
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Kim HS, Lee ES, Shin BS, Kang HG. Recurrent Cerebral Artery Dissection Associated with Seronegative Antiphospholipid Antibody Syndrome. Tomography 2022; 8:754-759. [PMID: 35314639 PMCID: PMC8938765 DOI: 10.3390/tomography8020062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 03/03/2022] [Accepted: 03/08/2022] [Indexed: 11/16/2022] Open
Abstract
Stroke in young patients requires thorough evaluation as they often lack risk factors. Antiphospholipid syndrome can cause arterial thrombosis and pregnancy loss; hence, differential diagnoses should include seronegative antiphospholipid syndrome. We report a case of recurrent ischemic stroke caused by recurrent dissection in a patient with a history of pregnancy loss. A 33-year-old woman was admitted with global aphasia and right hemiparesis. During intra-arterial thrombectomy, a left middle cerebral artery dissection was detected. After 5.5 years, she was re-admitted for dysarthria, left facial palsy, subtle left hemiparesis, and right middle cerebral artery dissection. She tested negative for autoimmune diseases and vasculitis. However, underlying pathologic conditions could not be excluded because of the unique disease course. Finally, she was diagnosed with seronegative antiphospholipid syndrome. The concept of seronegative antiphospholipid syndrome has been proposed for patients with clinical features suggestive of antiphospholipid syndrome but with negative titers. However, this syndrome can only be diagnosed by exclusion. Furthermore, arterial dissection should be considered to be its main pathology. Antiphospholipid syndrome itself can be a risk factor for arterial dissection because it weakens the vessel walls. Therefore, diagnosis is important to prevent future complications in young patients with recurrent cerebral artery dissection, especially those associated with pregnancy-related morbidities.
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Affiliation(s)
- Hee Sue Kim
- Jeonbuk National University Medical School, Jeonju 54907, Korea;
| | - Eun Su Lee
- Department of Neurology, Jeonbuk National University Medical School and Hospital, Jeonju 54907, Korea; (E.S.L.); (B.-S.S.)
| | - Byoung-Soo Shin
- Department of Neurology, Jeonbuk National University Medical School and Hospital, Jeonju 54907, Korea; (E.S.L.); (B.-S.S.)
- Biomedical Research Institute, Jeonbuk National University Medical School and Hospital, Jeonju 54907, Korea
| | - Hyun Goo Kang
- Department of Neurology, Jeonbuk National University Medical School and Hospital, Jeonju 54907, Korea; (E.S.L.); (B.-S.S.)
- Biomedical Research Institute, Jeonbuk National University Medical School and Hospital, Jeonju 54907, Korea
- Correspondence: ; Tel.: +82-63-250-1590
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29
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Tektonidou MG. Cardiovascular disease risk in antiphospholipid syndrome: Thrombo-inflammation and atherothrombosis. J Autoimmun 2022; 128:102813. [PMID: 35247655 DOI: 10.1016/j.jaut.2022.102813] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/23/2022] [Accepted: 02/27/2022] [Indexed: 12/11/2022]
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disorder characterized by the presence of antiphospholipid antibodies (aPL) (lupus anticoagulant, anticardiolipin antibodies and anti-beta2glycoprotein I (anti-β2GPI) antibodies) and a plethora of macro- and micro-vascular manifestations, affecting predominantly young adults. Cardiovascular events are the leading causes of morbidity and mortality in APS. APL-mediated thrombo-inflammation and atherothrombosis are emerging pathogenetic mechanisms of cardiovascular disease (CVD) in APS, involving endothelial cell and monocyte activation, cytokines and adhesion molecules expression, complement and neutrophils activation, neutrophil extracellular traps formation, platelet cell activation and aggregation, and subsequent thrombin generation, in parallel with an oxidized low-density lipoprotein (oxLDL)-β2GPI complex induced macrophage differentiation to foam cells. High risk aPL profile, especially the presence of lupus anticoagulant and triple aPL positivity (all three aPL subtypes), co-existence with Systemic Lupus Erythematosus (SLE), as well as traditional risk factors such as smoking, hypertension, hyperlipemia and obesity are associated with both subclinical atherosclerosis and cardiovascular events in APS. Increased awareness of CVD risk by the physicians and patients, regular assessment and strict control of traditional risk factors, and lifestyle modifications are recommended. Use of low-dose aspirin should be considered for cardiovascular prevention in asymptomatic aPL carriers or SLE patients with high-risk aPL profile. The role of older agents such as hydroxychloroquine and statins or new potential targeted treatments against immuno- and athero-thrombosis has been demonstrated by experimental and some clinical studies and needs to be further evaluated by randomized controlled studies. This review summarizes the available evidence about the pathogenetic mechanisms and prevalence of cardiovascular events and subclinical atherosclerosis, the interrelationship between traditional and disease-related CVD risk factors, and the cardiovascular risk assessment and management in APS.
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Affiliation(s)
- Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, Medical School, Athens, Greece.
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30
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Chen AT, Wang CY, Zhu WL, Chen W. Coagulation Disorders and Thrombosis in COVID-19 Patients and a Possible Mechanism Involving Endothelial Cells: A Review. Aging Dis 2022; 13:144-156. [PMID: 35111367 PMCID: PMC8782553 DOI: 10.14336/ad.2021.0704] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 07/04/2021] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is still an ongoing pandemic worldwide. COVID-19 is an age-related disease with a higher risk of organ dysfunction and mortality in older adults. Coagulation disorders and thrombosis are important pathophysiological changes in COVID-19 infection. Up to 95% of COVID-19 patients have coagulation disorders characterized by an elevated D-dimer, a prolonged prothrombin time, a low platelet count and other laboratory abnormalities. Thrombosis is found in critical cases with an increased risk of death. Endothelial cells are prone to be affected by the novel SARS-CoV-2 and express angiotensin-converting enzyme 2. The evidence, such as the presence of the virus, has been identified, leading to the inflammation and dysfunction. Endothelial cell activation and dysfunction play a pivotal role in the hypercoagulation status in COVID-19 patients. In addition to the direct exposure of subendothelial tissue to blood, Weibel-Palade bodies within the endothelium containing coagulants can be released into the circulation. Endothelial nitric oxide synthase may be impaired, thus facilitating platelet adhesion. Moreover, anti-β2-glycoprotein I antibodies may also contribute to the coagulopathy in COVID-19 by inducing the upregulation of proinflammatory mediators and adhesion molecules. To conclude, coagulation disorders and thrombosis are vital and predict a poor outcome in COVID-19 patients, especially in severe cases. Endothelial cell activation and dysfunction may play an important role in causing clot formation. More basic and clinical research is warranted to further our understanding of the role of coagulopathy and their possible mechanism in COVID-19 patients.
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Affiliation(s)
- An-tian Chen
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
- Department of Computer Science, University of Texas at Austin, Austin, TX, USA
| | - Chen-yu Wang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Wen-ling Zhu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Wei Chen
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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García-Grimshaw M, Posadas-Pinto DR, Jiménez-Ruiz A, Valdés-Ferrer SI, Cadena-Fernández A, Torres-Ruiz JJ, Barrientos-Guerra JD, Amancha-Gabela M, Chiquete E, Flores-Silva FD, Cantú-Brito C. Antiphospholipid syndrome-mediated acute cerebrovascular diseases and long-term outcomes. Lupus 2022; 31:228-237. [PMID: 35042376 DOI: 10.1177/09612033221074178] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVES The antiphospholipid syndrome (APS) is an autoimmune disease associated with thrombotic and non-thrombotic neurologic manifestations. APS is classified as primary (PAPS) or secondary (SAPS) when it co-exists with another autoimmune disease. We aim to describe the spectrum of acute cerebrovascular disease among patients with APS, their differences between stroke subtypes, and long-term functional outcomes. METHODS Retrospective cohort study including adult (≥18 years) patients with APS followed in the stroke clinic of a tertiary-care reference center for autoimmune diseases in Mexico from 2009 to 2019. RESULTS We studied 120 cases; 99 (82.5%) women; median age 43 years (interquartile range 35-52); 63.3% with SAPS. Demographics, comorbidities, and antiphospholipid antibodies (aPL) positivity were similar between APS type and stroke subtypes. Amongst index events, we observed 84 (70%) acute ischemic strokes (AIS), 19 (15.8%) cerebral venous thromboses (CVT), 11 (9.2%) intracerebral hemorrhages (ICH), and six (5%) subarachnoid hemorrhages (SAH). Sixty-seven (55.8%) were known patients with APS; the median time from APS diagnosis to index stroke was 46 months (interquartile range 12-96); 64.7% of intracranial hemorrhages (ICH or SAH) occurred ≥4 years after APS was diagnosed (23.5% anticoagulation-related); 63.2% of CVT cases developed before APS was diagnosed or simultaneously. Recurrences occurred in 26 (22.8%) patients, AIS, in 18 (69.2%); intracranial hemorrhage, in eight (30.8%). Long-term functional outcomes were good (modified Rankin Scale ≤2) in 63.2% of cases, during follow-up, the all-cause mortality rate was 19.2%. CONCLUSION We found no differences between stroke subtypes and APS types. aPL profiles were not associated with any of the acute cerebrovascular diseases described in this cohort. CVT may be an initial thrombotic manifestation of APS with low mortality and good long-term functional outcome.
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Affiliation(s)
- Miguel García-Grimshaw
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Diego Rubén Posadas-Pinto
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Amado Jiménez-Ruiz
- Stroke, Dementia & Heart Disease Laboratory, 6221Western University, London, ON, Canada
| | - Sergio Iván Valdés-Ferrer
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.,88982Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Arturo Cadena-Fernández
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - José Jiram Torres-Ruiz
- Department of Immunology and Rheumatology, 42559Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - José Domingo Barrientos-Guerra
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Margarita Amancha-Gabela
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Erwin Chiquete
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Fernando Daniel Flores-Silva
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Carlos Cantú-Brito
- Department of Neurology and Psychiatry, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
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32
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Kwak S, Green M. Rare yet catastrophic presentation of undiagnosed antiphospholipid syndrome. BMJ Case Rep 2022; 15:e245838. [PMID: 35012938 PMCID: PMC8753358 DOI: 10.1136/bcr-2021-245838] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2021] [Indexed: 11/04/2022] Open
Abstract
A previously well 31-year-old woman initially presented to the emergency department with pneumonia, however, was found to be hypertensive and have new-onset cardiomegaly. She was admitted for intravenous antibiotics and concurrently a series of investigations were conducted to investigate hypertension and cardiomegaly. During the course of admission, she developed acute kidney injury and was found to have acute chronic occlusion in the abdominal aorta. She was diagnosed with catastrophic antiphospholipid syndrome. This is a rare form of antiphospholipid syndrome with a high mortality rate. Thus, it is important that clinicians are aware of this syndrome to facilitate early diagnosis and initiation of treatment.
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Affiliation(s)
- Seojung Kwak
- General Medicine, Tamworth Rural Referral Hospital, Tamworth, New South Wales, Australia
| | - Malcolm Green
- General Medicine, Tamworth Rural Referral Hospital, Tamworth, New South Wales, Australia
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Abstract
PURPOSE OF REVIEW To review the recent available evidence on epidemiology, pathogenesis, clinical phenotypes, and management of antiphospholipid syndrome (APS) and summarize potential future research perspectives. RECENT FINDINGS Accumulating evidence has further expanded our understanding of the disease, including new data about the incidence and prevalence of APS, novel pathways supporting the role of thrombo-inflammation in APS including platelet, monocyte and endothelial cell activation, pro-inflammatory cytokine and chemokine production, complement activation, neutrophil extracellular trap release, and type I interferon gene expression that could yield to new potential treatment targets, better identification of criteria and non-criteria clinical phenotypes, antiphospholipid antibody profiles and their associations with clinical outcomes, prognostic tools, and treatment strategies based on recent evidence-based recommendations for patients with thrombotic and obstetric APS, with or without systemic lupus erythematosus. Ongoing research efforts and international collaborations enhance our knowledge of this rare and often devastating syndrome and help improve patient care and health outcomes.
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Affiliation(s)
- Eleni Xourgia
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- Department of Propaedeutic Internal Medicine, Medical School, Rheumatology UnitJoint Academic Rheumatology Program - EULAR Centre of Excellence'Laiko' Hospital, National and Kapodistrian University of Athens, 17 Agiou Thoma str, 11527, FirstAthens, Greece.
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Dabit JY, Valenzuela-Almada MO, Vallejo-Ramos S, Duarte-García A. Epidemiology of Antiphospholipid Syndrome in the General Population. Curr Rheumatol Rep 2022; 23:85. [PMID: 34985614 PMCID: PMC8727975 DOI: 10.1007/s11926-021-01038-2] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2021] [Indexed: 11/24/2022]
Abstract
Purpose of Review The epidemiology of antiphospholipid syndrome (APS) is poorly understood. Here, we review the current understanding of the epidemiology of antiphospholipid syndrome in the general population and the frequency of antiphospholipid antibodies in the general population in patients with obstetric morbidity, arterial events, and venous thromboembolism. Recent Findings There have been few population-based studies that estimated the prevalence and incidence of APS. The estimated incidence and prevalence among most these studies ranged between 1 and 2 cases per 100,000 and 40 and 50 cases per 100,000 respectively. The prevalence of antiphospholipid antibodies in patients with obstetric morbidity was 6–9%, while in arterial events and venous thromboembolism is 9–10%. However, this data remains limited. Mortality of patients with APS is 50–80% higher than the general population. Summary The epidemiology of APS has been difficult to elucidate. Population-based studies patients with diverse age, racial, and ethnic backgrounds are needed.
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Affiliation(s)
- Jesse Y. Dabit
- Division of Rheumatology, Mayo Clinic, Rochester, MN USA
| | | | | | - Alí Duarte-García
- Division of Rheumatology, Mayo Clinic, Rochester, MN USA
- Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, 200 First Street SW, Rochester, MN 55905 USA
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35
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Islabão AG, Trindade VC, da Mota LMH, Andrade DCO, Silva CA. Managing Antiphospholipid Syndrome in Children and Adolescents: Current and Future Prospects. Paediatr Drugs 2022; 24:13-27. [PMID: 34904182 PMCID: PMC8667978 DOI: 10.1007/s40272-021-00484-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/03/2021] [Indexed: 11/28/2022]
Abstract
Pediatric antiphospholipid syndrome (APS) is a rare acquired multisystem autoimmune thromboinflammatory condition characterized by thrombotic and non-thrombotic clinical manifestations. APS in children and adolescents typically presents with large-vessel thrombosis, thrombotic microangiopathy, and, rarely, obstetric morbidity. Non-thrombotic clinical manifestations are frequently seen in pediatric APS and may be present even before the vascular thrombotic events occur. We review insights into the pathogenesis of APS and discuss potential targets for therapy. The identification of multiple immunologic abnormalities in patients with APS reveals molecular targets for current or future treatment. Management strategies, especially for APS in adolescents, require screening for additional prothrombotic risk factors and consideration of counseling regarding contraceptive strategies, lifestyle recommendations, treatment adherence, and mental health issues associated with this autoimmune thrombophilia. The main goal of therapy in pediatric APS is the prevention of thrombosis. The management of acute thrombosis events in children and adolescents is the same as for primary APS, which involves isolated occurrences, and secondary APS, which is seen in association with another autoimmune disease, e.g., systemic lupus erythematosus. A pediatric hematologist should be consulted so other differential thrombophilic conditions can be eliminated. Therapy includes unfractionated heparin or low-molecular-weight heparin followed by vitamin K antagonists. Treatment of catastrophic APS involves triple therapy (anticoagulation, intravenous corticosteroid pulse therapy, and plasma exchange) and may include intravenous immunoglobulin for children and adolescents with this condition. New drugs such as eculizumab and sirolimus seem to be promising drugs for APS.
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Affiliation(s)
- Aline Garcia Islabão
- Pediatric Rheumatology Unit, Hospital da Criança de Brasília Jose Alencar, Brasília, DF Brazil ,Programa de Pós-graduação em Ciências Médicas, Faculdade de Medicina, Universidade de Brasília, Brasília, DF Brazil
| | - Vitor Cavalcanti Trindade
- Faculdade de Medicina, Children and Adolescent Institute, Hospital das Clinicas HCFMUSP, Universidade de São Paulo, Av. Dr. Enéas Carvalho de Aguiar, 647-Cerqueira César, São Paulo, SP 05403-000 Brazil
| | - Licia Maria Henrique da Mota
- Programa de Pós-graduação em Ciências Médicas, Faculdade de Medicina, Universidade de Brasília, Brasília, DF Brazil ,Rheumatology Unit, Hospital Universitário de Brasília, Universidade de Brasília, Brasília, Brazil
| | | | - Clovis Artur Silva
- Faculdade de Medicina, Children and Adolescent Institute, Hospital das Clinicas HCFMUSP, Universidade de São Paulo, Av. Dr. Enéas Carvalho de Aguiar, 647-Cerqueira César, São Paulo, SP, 05403-000, Brazil. .,Rheumatology Division, Faculdade de Medicina, Hospital das Clinicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil.
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Velásquez M, Peláez LF, Rojas M, Narváez-Sánchez R, Velásquez JA, Escudero C, San Martín S, Cadavid ÁP. Differences in Endothelial Activation and Dysfunction Induced by Antiphospholipid Antibodies Among Groups of Patients With Thrombotic, Refractory, and Non-refractory Antiphospholipid Syndrome. Front Physiol 2021; 12:764702. [PMID: 34925061 PMCID: PMC8675389 DOI: 10.3389/fphys.2021.764702] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/02/2021] [Indexed: 01/20/2023] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disorder characterized by pregnancy morbidity or thrombosis and persistent antiphospholipid antibodies (aPL) that bind to the endothelium and induce endothelial activation, which is evidenced by the expression of adhesion molecules and the production of reactive oxygen species (ROS) and subsequent endothelial dysfunction marked by a decrease in the synthesis and release of nitric oxide (NO). These endothelial alterations are the key components for the development of severe pathological processes in APS. Patients with APS can be grouped according to the presence of other autoimmune diseases (secondary APS), thrombosis alone (thrombotic APS), pregnancy morbidity (obstetric APS), and refractoriness to conventional treatment regimens (refractory APS). Typically, patients with severe and refractory obstetric APS exhibit thrombosis and are classified as those having primary or secondary APS. The elucidation of the mechanisms underlying these alterations according to the different groups of patients with APS could help establish new therapies, particularly necessary for severe and refractory cases. Therefore, this study aimed to evaluate the differences in endothelial activation and dysfunction induced by aPL between patients with refractory obstetric APS and other APS clinical manifestations. Human umbilical vein endothelial cells (HUVECs) were stimulated with polyclonal immunoglobulin-G (IgG) from different groups of patients n = 21), including those with primary (VTI) and secondary thrombotic APS (VTII) and refractory primary (RI+), refractory secondary (RII+), and non-refractory primary (NR+) obstetric APS. All of them with thrombosis. The expression of adhesion molecules; the production of ROS, NO, vascular endothelial growth factor (VEGF), and endothelin-1; and the generation of microparticles were used to evaluate endothelial activation and dysfunction. VTI IgG induced the expression of adhesion molecules and the generation of microparticles and VEGF. RI+ IgG induced the expression of adhesion molecules and decreased NO production. RII+ IgG increased the production of microparticles, ROS, and endothelin-1 and reduced NO release. NR+ IgG increased the production of microparticles and endothelin-1 and decreased the production of VEGF and NO. These findings reveal differences in endothelial activation and dysfunction among groups of patients with APS, which should be considered in future studies to evaluate new therapies, especially in refractory cases.
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Affiliation(s)
- Manuela Velásquez
- Grupo Reproducción, Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Luisa F Peláez
- Grupo Reproducción, Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Mauricio Rojas
- Grupo de Inmunología Celular e Inmunogenética, Facultad de Medicina, Universidad de Antioquia UdeA, Unidad de Citometría de Flujo, Sede de Investigación Universitaria, Medellín, Colombia
| | - Raúl Narváez-Sánchez
- Physiology and Biochemistry Research Group-PHYSIS, Faculty of Medicine, University of Antioquia UdeA, Medellín, Colombia
| | | | - Carlos Escudero
- Red Iberoamericana de Alteraciones Vasculares Asociadas a TRanstornos del EMbarazo (RIVATREM), Chillán, Chile.,Vascular Physiology Laboratory, Basic Sciences Department, Faculty of Sciences, Universidad del Bio-Bio, Chillán, Chile.,Group of Research and Innovation in Vascular Health (GRIVAS Health), Chillán, Chile
| | - Sebastián San Martín
- Red Iberoamericana de Alteraciones Vasculares Asociadas a TRanstornos del EMbarazo (RIVATREM), Chillán, Chile.,Group of Research and Innovation in Vascular Health (GRIVAS Health), Chillán, Chile.,Biomedical Research Center School of Medicine, Universidad de Valparaíso, Valparaíso, Chile
| | - Ángela P Cadavid
- Grupo Reproducción, Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia.,Red Iberoamericana de Alteraciones Vasculares Asociadas a TRanstornos del EMbarazo (RIVATREM), Chillán, Chile.,Grupo de Investigación en Trombosis, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
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37
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Bolla E, Tentolouris N, Sfikakis PP, Tektonidou MG. Cardiovascular risk management in antiphospholipid syndrome: trends over time and comparison with rheumatoid arthritis and diabetes mellitus. Lupus Sci Med 2021; 8:8/1/e000579. [PMID: 34921093 PMCID: PMC8685967 DOI: 10.1136/lupus-2021-000579] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Accepted: 11/30/2021] [Indexed: 12/31/2022]
Abstract
Objective Antiphospholipid syndrome (APS) is characterised by increased cardiovascular morbidity and mortality, related to thrombo-inflammatory and atherogenic mechanisms. We examined the achievement of traditional cardiovascular risk factor (CVRF) therapeutic goals in APS versus other high cardiovascular risk disorders such as rheumatoid arthritis (RA) and diabetes mellitus (DM), and trends over time. Methods 122 patients with APS (74 primary APS, female 68%, mean age 44.5±11.3) were classified according to their first visit (2011–2015 and 2016–2020 APS subgroups, 61 patients in each subgroup) and matched 1:1 for age/sex with patients with RA and DM. Cardiovascular risk was estimated by the Systemic Coronary Risk Evaluation, and the CVRF therapeutic targets were defined according to the European Society of Cardiology (ESC) guidelines. Individual and multiple CVRF control was compared between APS subgroups, and in APS versus RA and DM. Results We found a comparable or higher prevalence of CVRFs between APS and age-matched/sex-matched patients with RA and DM but low CVRF target attainment in APS according to the ESC guidelines. Despite improving trends between 2011–2015 and 2016–2020, CVRF control in high/very high-risk patients with APS was 12%, 18%, 24% and 35% for low-density lipoprotein, waist circumference, exercise and body mass index, respectively, and 59%–65% for triglycerides, high-density lipoprotein (HDL) and blood pressure, in 2016–2020 subgroup. CVRF control was worse in APS versus RA for smoking (p=0.014), HDL (p<0.001), waist circumference (p=0.042) and five CVRFs (p=0.030), and versus DM for exercise (p=0.077). Similar results were found in the sensitivity analysis. Conclusions Comparable prevalence of modifiable CVRFs to RA and DM but suboptimal CVRF target achievement was observed in APS, especially in high/very high-risk patients, highlighting the need for CVRF management strategies.
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Affiliation(s)
- Eleana Bolla
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolas Tentolouris
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Petros P Sfikakis
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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38
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Zhang J, Li C, Han X, Chen Z, Adhikari BK, Wang Y, Wang Y, Sun J. The digestive system involvement of antiphospholipid syndrome: pathophysiology, clinical characteristics, and treatment strategies. Ann Med 2021; 53:1328-1339. [PMID: 34409894 PMCID: PMC8381908 DOI: 10.1080/07853890.2021.1962964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 07/25/2021] [Indexed: 02/03/2023] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disease mainly characterised by vascular thrombosis and pregnancy morbidity. APS has broad spectrum of clinical manifestations. The digestive system involvement of antiphospholipid syndrome is a critical but under-recognised condition. Digestive system involvement may be the result of direct (autoimmune-mediated) or indirect (thrombotic) mechanisms. Liver is the most commonly involved organ, followed by intestines, oesophagus, stomach, pancreas and spleen. This review describes possible digestive system manifestations in APS patients, and illustrates the epidemiology and possible pathophysiology of APS. The role of different treatment strategies in the management of digestive system manifestations of APS were also discussed.Key messagesAntiphospholipid syndrome is a multi-organ, multi-system disease and its clinical manifestation spectrum is gradually expanding. Since the first diagnosis of APS, the clinical manifestations of digestive system have been reported successively. This narrative review describes the major digestive system manifestations of APS and illustrates the epidemiology, pathophysiology and the role of therapeutic strategies of these patients.
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Affiliation(s)
- Jin Zhang
- Department of Cardiovascular Center, Jilin University First Hospital, Changchun, China
| | - Cheng Li
- Department of Cardiovascular Center, Jilin University First Hospital, Changchun, China
| | - Xiaorong Han
- Department of Cardiovascular Center, Jilin University First Hospital, Changchun, China
| | - Zhongbo Chen
- Department of Cardiovascular Center, Jilin University First Hospital, Changchun, China
| | - Binay Kumar Adhikari
- Department of Medicine, Nepal Armed Police Force Command and Staff hospital, Kathmandu, Nepal
| | - Yinghui Wang
- Department of Cardiovascular Center, Jilin University First Hospital, Changchun, China
| | - Yonggang Wang
- Department of Cardiovascular Center, Jilin University First Hospital, Changchun, China
| | - Jian Sun
- Department of Cardiovascular Center, Jilin University First Hospital, Changchun, China
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39
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Rausch L, Lutz K, Schifferer M, Winheim E, Gruber R, Oesterhaus EF, Rinke L, Hellmuth JC, Scherer C, Muenchhoff M, Mandel C, Bergwelt‐Baildon M, Simons M, Straub T, Krug AB, Kranich J, Brocker T. Binding of phosphatidylserine-positive microparticles by PBMCs classifies disease severity in COVID-19 patients. J Extracell Vesicles 2021; 10:e12173. [PMID: 34854246 PMCID: PMC8636722 DOI: 10.1002/jev2.12173] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/02/2021] [Indexed: 01/08/2023] Open
Abstract
Infection with SARS-CoV-2 is associated with thromboinflammation, involving thrombotic and inflammatory responses, in many COVID-19 patients. In addition, immune dysfunction occurs in patients characterised by T cell exhaustion and severe lymphopenia. We investigated the distribution of phosphatidylserine (PS), a marker of dying cells, activated platelets and platelet-derived microparticles (PMP), during the clinical course of COVID-19. We found an unexpectedly high amount of blood cells loaded with PS+ PMPs for weeks after the initial COVID-19 diagnosis. Elevated frequencies of PS+ PMP+ PBMCs correlated strongly with increasing disease severity. As a marker, PS outperformed established laboratory markers for inflammation, leucocyte composition and coagulation, currently used for COVID-19 clinical scoring. PS+ PMPs preferentially bound to CD8+ T cells with gene expression signatures of proliferating effector rather than memory T cells. As PS+ PMPs carried programmed death-ligand 1 (PD-L1), they may affect T cell expansion or function. Our data provide a novel marker for disease severity and show that PS, which can trigger the blood coagulation cascade, the complement system, and inflammation, resides on activated immune cells. Therefore, PS may serve as a beacon to attract thromboinflammatory processes towards lymphocytes and cause immune dysfunction in COVID-19.
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Affiliation(s)
- Lisa Rausch
- Institute for ImmunologyBiomedical Center (BMC), Faculty of Medicine, LMU MunichMunichGermany
| | - Konstantin Lutz
- Institute for ImmunologyBiomedical Center (BMC), Faculty of Medicine, LMU MunichMunichGermany
| | - Martina Schifferer
- German Center for Neurodegenerative Diseases (DZNE)MunichGermany
- Munich Cluster of Systems Neurology (Synergy)MunichGermany
| | - Elena Winheim
- Institute for ImmunologyBiomedical Center (BMC), Faculty of Medicine, LMU MunichMunichGermany
| | - Rudi Gruber
- bene pharmaChem GmbH & Co.KG., GeretsriedGermany
| | - Elina F. Oesterhaus
- COVID‐19 Registry of the LMU Munich (CORKUM)University Hospital, LMU MunichMunichGermany
- Max von Pettenkofer Institute & Gene CenterVirologyNational Reference Center for RetrovirusesLMU MünchenMunichGermany
| | - Linus Rinke
- Institute for ImmunologyBiomedical Center (BMC), Faculty of Medicine, LMU MunichMunichGermany
| | - Johannes C. Hellmuth
- COVID‐19 Registry of the LMU Munich (CORKUM)University Hospital, LMU MunichMunichGermany
- Department of Medicine IIIUniversity Hospital, LMU MunichMunichGermany
| | - Clemens Scherer
- COVID‐19 Registry of the LMU Munich (CORKUM)University Hospital, LMU MunichMunichGermany
- Department of Medicine IUniversity Hospital, LMU MunichMunichGermany
| | - Maximilian Muenchhoff
- COVID‐19 Registry of the LMU Munich (CORKUM)University Hospital, LMU MunichMunichGermany
- Max von Pettenkofer Institute & Gene CenterVirologyNational Reference Center for RetrovirusesLMU MünchenMunichGermany
- German Center for Infection Research (DZIF)partner site MunichGermany
| | - Christopher Mandel
- COVID‐19 Registry of the LMU Munich (CORKUM)University Hospital, LMU MunichMunichGermany
- Department of Medicine IVUniversity Hospital, LMU MunichMunichGermany
| | - Michael Bergwelt‐Baildon
- COVID‐19 Registry of the LMU Munich (CORKUM)University Hospital, LMU MunichMunichGermany
- Department of Medicine IIIUniversity Hospital, LMU MunichMunichGermany
| | - Mikael Simons
- German Center for Neurodegenerative Diseases (DZNE)MunichGermany
- Munich Cluster of Systems Neurology (Synergy)MunichGermany
- Institute of Neuronal Cell BiologyTechnical University of MunichMunichGermany
| | - Tobias Straub
- Core facility BioinformaticsBiomedical Center (BMC)Faculty of MedicineLMU MunichMunichGermany
| | - Anne B. Krug
- Institute for ImmunologyBiomedical Center (BMC), Faculty of Medicine, LMU MunichMunichGermany
| | - Jan Kranich
- Institute for ImmunologyBiomedical Center (BMC), Faculty of Medicine, LMU MunichMunichGermany
| | - Thomas Brocker
- Institute for ImmunologyBiomedical Center (BMC), Faculty of Medicine, LMU MunichMunichGermany
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40
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Wang X, Gkrouzman E, Andrade DCO, Andreoli L, Barbhaiya M, Belmont HM, Branch DW, de Jesús GR, Efthymiou M, Rıos-Garces R, Gerosa M, El Hasbani G, Knight J, Meroni PL, Pazzola G, Petri M, Rand J, Salmon J, Tektonidou M, Tincani A, Uthman IW, Zuily S, Zuo Y, Lockshin M, Cohen H, Erkan D. COVID-19 and antiphospholipid antibodies: A position statement and management guidance from AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION). Lupus 2021; 30:2276-2285. [PMID: 34915764 PMCID: PMC10711746 DOI: 10.1177/09612033211062523] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is associated with a high rate of thrombosis. Prolonged activated partial thromboplastin times (aPTT) and antiphospholipid antibodies (aPL) are reported in COVID-19 patients. The majority of publications have not reported whether patients develop clinically relevant persistent aPL, and the clinical significance of new aPL-positivity in COVID-19 is currently unknown. However, the reports of aPL-positivity in COVID-19 raised the question whether common mechanisms exist in the pathogenesis of COVID-19 and antiphospholipid syndrome (APS). In both conditions, thrombotic microangiopathy resulting in microvascular injury and thrombosis is hypothesized to occur through multiple pathways, including endothelial damage, complement activation, and release of neutrophil extracellular traps (NETosis). APS-ACTION, an international APS research network, created a COVID-19 working group that reviewed common mechanisms, positive aPL tests in COVID-19 patients, and implications of COVID-19 infection for patients with known aPL positivity or APS, with the goals of proposing guidance for clinical management and monitoring of aPL-positive COVID-19 patients. This guidance also serves as a call and focus for clinical and basic scientific research.
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Affiliation(s)
- Xin Wang
- Weill Cornell Medicine, New York, NY, USA
| | - Elena Gkrouzman
- University of Massachusetts Medical School, Worcester, MA, USA
| | | | - Laura Andreoli
- Rheumatology and Clinical Immunology Unit, Department of Clinical and Experimental Science, ASST-Spedali Civili and University of Brescia, Brescia, Italy
| | - Medha Barbhaiya
- Barbara Volcker Center for Women and Rheumatic Disease, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA
| | | | - David Ware Branch
- University of Utah and Intermountain Healthcare, Salt Lake City, UT, USA
| | | | - Maria Efthymiou
- Haemostasis Research Unit, Department of Haematology, University College London, London, UK
| | - Roberto Rıos-Garces
- Systemic Autoimmune Diseases Department, Hospital Clınic de Barcelona, Barcelona, Spain
| | - Maria Gerosa
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | | | - Jason Knight
- Division of Rheumatology, University of Michigan, Ann Arbor, MI, USA
| | - Pier Luigi Meroni
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | | | - Michelle Petri
- John Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jacob Rand
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jane Salmon
- Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA
| | | | - Angela Tincani
- Rheumatology and Clinical Immunology Unit, Department of Clinical and Experimental Science, ASST-Spedali Civili and University of Brescia, Brescia, Italy
| | - Imad W Uthman
- American University of Beirut Medical Center, Beirut, Lebanon
| | - Stephane Zuily
- Vascular Medicine Division and Regional Competence Center for Rare Auto-Immune Diseases, Nancy University Hospital, Nancy, France
| | - Yu Zuo
- Division of Rheumatology, University of Michigan, Ann Arbor, MI, USA
| | - Michael Lockshin
- Barbara Volcker Center for Women and Rheumatic Disease, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA
| | - Hannah Cohen
- Haemostasis Research Unit, Department of Haematology, University College London, London, UK
| | - Doruk Erkan
- Barbara Volcker Center for Women and Rheumatic Disease, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA
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41
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Evangelatos G, Kravvariti E, Konstantonis G, Tentolouris N, Sfikakis PP, Tektonidou MG. Atherosclerosis progression in antiphospholipid syndrome is comparable to diabetes mellitus: a 3-year prospective study. Rheumatology (Oxford) 2021; 61:3408-3413. [PMID: 34850863 DOI: 10.1093/rheumatology/keab882] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/05/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Antiphospholipid syndrome (APS) is an autoimmune thrombophilia leading to life-threatening cardiovascular events. Cross-sectional data support that APS is associated with accelerated atherosclerosis, but this has not been confirmed in prospective studies. We aimed to compare the rate of atherosclerosis progression over a 3-year period between patients with APS, diabetes mellitus (DM) and healthy controls (HC). METHODS Eighty-six patients with APS (43 with primary [PAPS], 43 with systemic lupus erythematosus-related APS [SLE/APS]) and an equal number of age- and sex-matched patients with DM and HC, who underwent a baseline ultrasound of the carotid and femoral arteries, were invited for a 3-year follow-up evaluation for atherosclerotic plaque progression. Multivariate analysis was performed for the assessment of determinants of plaque progression after adjustment for disease-related and traditional cardiovascular risk factors. RESULTS Seventy-four APS patients (74.3% female, 38 with PAPS), 58 DM patients and 73 HC were included. APS patients exhibited a 3.3-fold higher risk of new atherosclerotic plaque formation compared with HC (p= 0.031), similar to that in DM (odds ratio [OR]=3.45, p= 0.028). In APS patients, plaque development risk was higher in SLE/APS vs PAPS (OR = 7.75, p= 0.038) and was independently associated with the presence of traditional cardiovascular risk factors, as expressed by the Systematic Coronary Risk Evaluation (SCORE) risk (OR = 2.31, p= 0.008). CONCLUSION APS is characterized by accelerated rates of subclinical atherosclerosis to a degree comparable to DM, which is more pronounced in SLE/APS patients. Traditional cardiovascular risk factors are major determinants of this risk, warranting aggressive management as in other high cardiovascular-risk disorders.
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Affiliation(s)
- Gerasimos Evangelatos
- Rheumatology unit, First Department of Propaedeutic Internal Medicine, Joint Rheumatology Academic Program, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Evrydiki Kravvariti
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - George Konstantonis
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Petros P Sfikakis
- Rheumatology unit, First Department of Propaedeutic Internal Medicine, Joint Rheumatology Academic Program, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- Rheumatology unit, First Department of Propaedeutic Internal Medicine, Joint Rheumatology Academic Program, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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42
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Fierro JJ, Velásquez M, Cadavid AP, de Leeuw K. Effects of anti-beta 2-glycoprotein 1 antibodies and its association with pregnancy-related morbidity in antiphospholipid syndrome. Am J Reprod Immunol 2021; 87:e13509. [PMID: 34738282 PMCID: PMC9285810 DOI: 10.1111/aji.13509] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 10/28/2021] [Accepted: 11/01/2021] [Indexed: 12/12/2022] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disease characterized by venous, arterial, or small-vessel thrombosis and/or pregnancy-related morbidity, associated with persistent positivity of antiphospholipid antibodies (aPL). Pregnancy-related morbidity in APS patients is characterized by unexplained fetal deaths, premature birth of morphologically normal newborns, and/or consecutive pregnancy losses before the 10th week of gestation. Beta 2-glycoprotein 1 (ß2GP1) is the main antigen recognized by aPL and plays an essential role in the pathogenesis of APS. Antibodies against ß2GP1 (aß2GP1) are involved in damage-generating mechanisms in APS due to their interaction with trophoblasts, decidua, and endothelial cells. aß2GP1 might be used as a prognostic tool for obstetric risk stratification and ß2GP1 could be a target for molecular-targeted treatment to prevent pregnancy morbidity in APS. This review describes these aspects of aß2GP1, including effects on different cellular targets, its association with the severity of obstetric manifestations and the potential of ß2GP1-targeted therapies for APS.
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Affiliation(s)
- Juan J Fierro
- Grupo Reproducción, Departamento de Microbiología y Parasitología, Universidad de Antioquia UdeA, Medellín, Colombia.,Department of Rheumatology and Clinical Immunology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Manuela Velásquez
- Grupo Reproducción, Departamento de Microbiología y Parasitología, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Angela P Cadavid
- Grupo Reproducción, Departamento de Microbiología y Parasitología, Universidad de Antioquia UdeA, Medellín, Colombia.,Grupo de Investigación en Trombosis, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia.,Red Iberoamericana de Alteraciones Vasculares Asociadas a TRanstornos del EMbarazo (RIVATREM), Chillán, Chile
| | - Karina de Leeuw
- Department of Rheumatology and Clinical Immunology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
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Assan F, Bottin L, Francès C, Moguelet P, Tavolaro S, Barbaud A, de Zuttere D, Alamowitch S, Chasset F. Antiphospholipid-negative Sneddon's syndrome: A comprehensive overview of a rare entity. Ann Dermatol Venereol 2021; 149:3-13. [PMID: 34740467 DOI: 10.1016/j.annder.2021.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 05/26/2021] [Accepted: 08/04/2021] [Indexed: 11/24/2022]
Abstract
The term Sneddon's syndrome (SS) has been used since 1965 to describe a vasculopathy characterized by a combination of cerebrovascular disease with livedo racemosa. SS may be classified as antiphospholipid+ (aPL+) or antiphospholipid- (aPL-). Little is known about aPL- SS; in this review we describe the epidemiology and pathogenesis of aPL- SS, as well as the clinical and histologic features. We discuss recent findings in terms of neurologic and cardiac involvement. Moreover, differential diagnoses of conditions that may present with both livedo racemosa and stroke are discussed. Finally, we discuss real-life practical issues such as the initial investigations to be performed, long-term follow-up, and therapeutic management of aPL- SS patients.
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Affiliation(s)
- F Assan
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Dermatologie et Allergologie, Hôpital Tenon, 75020 Paris, France
| | - L Bottin
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Neurologie, Hôpital Saint-Antoine, 75012 Paris, France
| | - C Francès
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Dermatologie et Allergologie, Hôpital Tenon, 75020 Paris, France
| | - P Moguelet
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Pathologie, Hôpital Tenon, 75020 Paris, France
| | - S Tavolaro
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Radiologie, Hôpital Tenon, 75020 Paris, France
| | - A Barbaud
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Dermatologie et Allergologie, Hôpital Tenon, 75020 Paris, France
| | - D de Zuttere
- Service d'Explorations Fonctionnelles, Hôpital Franco-Britannique, 92300 Levallois-Perret, France
| | - S Alamowitch
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Neurologie, Hôpital Saint-Antoine, 75012 Paris, France
| | - F Chasset
- Sorbonne University, Faculté de Médecine Sorbonne Université, AP-HP, Service de Dermatologie et Allergologie, Hôpital Tenon, 75020 Paris, France.
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Affiliation(s)
- Shree K Kurup
- Department of Ophthalmology and Visual Sciences, University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Miroslav Sekulic
- Department of Pathology and Cell Biology, Columbia University, New York, New York
| | - Alan H Markowitz
- Department of Surgery, Cardiac Surgery, University Hospitals Cleveland Medical Center, Case Western Reserve University School of Medicine, Cleveland, Ohio
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45
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Ramjas V, Jain A, Lee RDM, Fioni F, Tawfik N, Sandhu O, Hamid P. Unraveling the Association Between Myocardial Infarction of Nonobstructive Coronary Arteries and Antiphospholipid Syndrome. Cureus 2021; 13:e17002. [PMID: 34540404 PMCID: PMC8423341 DOI: 10.7759/cureus.17002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/08/2021] [Indexed: 02/07/2023] Open
Abstract
The term "myocardial infarction with nonobstructive coronary arteries (MINOCA)" refers to a condition characterized by clinical signs and symptoms consistent with acute myocardial infarction (AMI) (as defined by the third universal definition of infarction) and coronary arteries that are angiographically normal or nearly normal. A prominent source of morbidity and mortality in patients with antiphospholipid syndrome (APS) is thrombotic events. To evaluate whether there is a relation between APS and MINOCA in this research, we did an extensive assessment of the existing research in this field. According to the data, APS was associated with microvascular thrombosis, aberrant lipid metabolism, hypertension, and abnormalities of the coagulation cascade, among other conditions. Based on the available data, we discovered evidence that suggests a relationship between MINOCA and APS patients. It is vital to raise awareness of this concern among the general public. Also required is the development and implementation of diagnostic and targeted treatment guidelines for patients with APS and MINOCA.
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Affiliation(s)
- Vishal Ramjas
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Arpit Jain
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Rholter Dave M Lee
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Fioni Fioni
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Nouran Tawfik
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Osama Sandhu
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Pousette Hamid
- Neurology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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46
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Byambajav T, Waki T, Miura K, Tanaka-Mizuno S. Association between adherence to warfarin and thrombotic events in patients with antiphospholipid syndrome in Japan: A claims-based retrospective cohort study. Pharmacoepidemiol Drug Saf 2021; 31:149-157. [PMID: 34382707 DOI: 10.1002/pds.5343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 08/04/2021] [Accepted: 08/07/2021] [Indexed: 11/10/2022]
Abstract
PURPOSE We aimed to evaluate adherence and persistence to warfarin therapy among patients with antiphospholipid syndrome (APS) and investigate the association between adherence and thrombotic events in those patients. METHODS We conducted a retrospective cohort study using the Japan Medical Data Center claims database from 2005 to 2018. Patients with APS receiving warfarin treatment were included in this study. Adherence and persistence were evaluated using the proportion of days covered (PDS) and refill gap methods, respectively. Demographic characteristics of patients were obtained. Kaplan-Meier curves with log-rank tests and Cox regression models were used to examine the association between adherence or persistence and time to thrombotic events. RESULTS A total of 186 patients (mean age: 46.5 ± 12.4 years, females 68.8%) were included in this study. No significant differences were observed in risk factors for thrombosis and cardiovascular diseases among groups. Most patients were adherent (91.4%) and persistent (88.2%) to warfarin treatment. Adherent and persistent patients had a significantly higher rate of thrombotic event-free survival than nonadherent and nonpersistent patients (p < 0.05). Multivariable Cox regression showed that the risk of thrombotic events was higher in nonadherent patients (with a hazard ratio of 3.23 [95% confidence interval CI: 1.15-9.11]) and in nonpersistent patients (with a hazard ratio of 3.45 [95% CI: 1.35-8.82]). CONCLUSIONS In patients with APS, nonadherence and nonpersistence to warfarin treatment was associated with a higher risk of thrombotic events, suggesting the careful monitoring of those patients.
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Affiliation(s)
- Tserenlkham Byambajav
- Department of Public Health, Shiga University of Medical Science, Otsu, Shiga, Japan.,Department of Clinical Pharmacy and Pharmaceutical Management, School of Pharmacy, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia
| | - Takashi Waki
- Department of Public Health, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Katsuyuki Miura
- Department of Public Health, Shiga University of Medical Science, Otsu, Shiga, Japan.,NCD Epidemiology Research Center (NERC), Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Sachiko Tanaka-Mizuno
- Department of Public Health, Shiga University of Medical Science, Otsu, Shiga, Japan.,Department of Digital Health and Epidemiology, Graduate School of Medicine and Public Health, Kyoto University, Kyoto, Japan
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Hutterer KM, Ip A, Kuhns S, Cao S, Wikström M, Liu J. Analytical Similarity Assessment of ABP 959 in Comparison with Eculizumab Reference Product. BioDrugs 2021; 35:563-577. [PMID: 34296421 PMCID: PMC8502742 DOI: 10.1007/s40259-021-00492-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2021] [Indexed: 12/01/2022]
Abstract
Background ABP 959 is one of the first proposed biosimilars to eculizumab reference product (RP), a recombinant IgG2/4Ƙ monoclonal antibody (mAb) that binds human C5 complement protein and inhibits C5 cleavage to C5a and C5b, preventing the generation of the terminal complement complex C5b-9. Eculizumab RP is approved for the treatment of paroxysmal nocturnal hemoglobinuria, atypical hemolytic uremic syndrome, myasthenia gravis in patients who are anti-acetylcholine receptor antibody positive, and neuromyelitis optica spectrum disorder in patients who are anti-aquaporin-4 antibody positive. Objectives The objective of this work was to comparatively assess analytical (structural and functional) similarity between ABP 959 and eculizumab RP using sensitive, state-of-the art analytical methods capable of detecting minor differences in product quality attributes. Methods Comprehensive analytical (structural and functional) characterization utilizing orthogonal techniques was performed using multiple lots of ABP 959 and eculizumab RP over several years applying > 40 state-of-the-art assays. Comparisons were performed to investigate the primary structure and post-translational modifications including glycans, higher-order structure, particles and aggregates, product-related structures and impurities, thermal stability and forced degradation, general properties, and biological properties mediated by target binding. Results Results confirmed that ABP 959 had the same amino acid sequence, similar primary structure, higher-order structure, post-translational profiles, and the same protein content and concentration (e.g., ABP 959: 9.4–10.0; eculizumab EU: 9.4–10.0; eculizumab US: 9.3–10.3 mg/mL) as well as biological activity as eculizumab RP. Conclusions Based on these results, it can be concluded that ABP 959 is analytically similar to eculizumab RP.
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Affiliation(s)
- Katariina M Hutterer
- Biosimilar Process Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA
| | - Anna Ip
- Process Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA
| | - Scott Kuhns
- Process Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA
| | - Shawn Cao
- Process Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA
| | - Mats Wikström
- Process Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA
| | - Jennifer Liu
- Biosimilar Process Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA.
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Pastori D, Ames PRJ, Triggiani M, Ciampa A, Cammisotto V, Carnevale R, Pignatelli P, Bucci T. Antiphospholipid Antibodies and Heart Failure with Preserved Ejection Fraction. The Multicenter ATHERO-APS Study. J Clin Med 2021; 10:jcm10143180. [PMID: 34300346 PMCID: PMC8306431 DOI: 10.3390/jcm10143180] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/05/2021] [Accepted: 07/16/2021] [Indexed: 02/07/2023] Open
Abstract
Background. The prevalence of heart failure with preserved ejection fraction (HFpEF) in patients with antiphospholipid syndrome (APS) is unknown. Methods. A prospective multicenter cohort study including 125 patients was conducted: 91 primary APS (PAPS), 18 APS-SLE, and 16 carriers. HFpEF was diagnosed according to the 2019 European Society of Cardiology criteria: patients with ≥5 points among major and minor functional and morphological criteria including NT-ProBNP > 220 pg/mL, left atrial (LA) enlargement, increased left ventricular filling pressure. Results. Overall, 18 (14.4%) patients were diagnosed with HFpEF; this prevalence increased from 6.3% in carriers to 13.2% in PAPS and 27.8% in APS-SLE. Patients with HFpEF were older and with a higher prevalence of hypertension and previous arterial events. At logistic regression analysis, age, arterial hypertension, anticardiolipin antibodies IgG > 40 GPL (odds ratio (OR) 3.43, 95% confidence interval (CI) 1.09–10.77, p = 0.035), anti β-2-glycoprotein-I IgG > 40 GPL (OR 5.28, 1.53–18.27, p = 0.009), lupus anticoagulants DRVVT > 1.25 (OR 5.20, 95% CI 1.10–24.68, p = 0.038), and triple positivity (OR 3.56, 95% CI 1.11–11.47, p = 0.033) were associated with HFpEF after adjustment for age and sex. By multivariate analysis, hypertension (OR 19.49, 95% CI 2.21–171.94, p = 0.008), age (OR 1.07, 95% CI 1.00–1.14, p = 0.044), and aβ2GPI IgG > 40 GPL (OR 8.62, 95% CI 1.23–60.44, p = 0.030) were associated with HFpEF. Conclusion. HFpEF is detectable in a relevant proportion of APS patients. The role of aPL in the pathogenesis and prognosis of HFpEF needs further investigation.
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Affiliation(s)
- Daniele Pastori
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00155 Rome, Italy; (V.C.); (P.P.)
- Correspondence: ; Tel.: +39-064-997-0941; Fax: +39-064-997-2309
| | - Paul R. J. Ames
- Immune Response and Vascular Disease Unit, Nova University, 1099-085 Lisbon, Portugal;
- Dumfries and Galloway Royal Infirmary, Dumfries DG2 8RX, UK
| | - Massimo Triggiani
- Department of Internal Medicine, Division of Allergy and Clinical Immunology, University of Salerno, 84084 Salerno, Italy;
| | - Antonio Ciampa
- Centro Emostasi A.O.R.N. “SG Moscati”, 83100 Avellino, Italy;
| | - Vittoria Cammisotto
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00155 Rome, Italy; (V.C.); (P.P.)
- Department of General Surgery and Surgical Specialties “Paride Stefanini”, Sapienza University of Rome, 00155 Rome, Italy;
| | - Roberto Carnevale
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy;
- Mediterranea Cardiocentro, 80133 Napoli, Italy
| | - Pasquale Pignatelli
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, 00155 Rome, Italy; (V.C.); (P.P.)
- Mediterranea Cardiocentro, 80133 Napoli, Italy
| | - Tommaso Bucci
- Department of General Surgery and Surgical Specialties “Paride Stefanini”, Sapienza University of Rome, 00155 Rome, Italy;
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49
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Corban MT, Toya T, Ahmad A, Lerman LO, Lee HC, Lerman A. Atrial Fibrillation and Endothelial Dysfunction: A Potential Link? Mayo Clin Proc 2021; 96:1609-1621. [PMID: 33775421 DOI: 10.1016/j.mayocp.2020.11.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/22/2020] [Accepted: 11/12/2020] [Indexed: 11/24/2022]
Abstract
Atrial fibrillation (AF) is the most common cardiac arrhythmia, and coronary atherosclerosis is the leading cause of death in the United States and worldwide. Endothelial dysfunction is the earliest clinically detectable form of atherosclerosis. Control of shared AF and coronary atherosclerosis risk factors improves both AF-free survival and vascular endothelial function. Decades of AF research have yielded fundamental insight into AF pathophysiology, but current pharmacological and catheter-based invasive AF therapies have limited long-term efficacy and substantial side effects, possibly because of incomplete understanding of underlying complex AF pathophysiology. We hereby discuss potential mechanistic links between endothelial dysfunction and AF (risk-factor-associated systemic inflammation and oxidative stress, myocardial ischemia, common gene variants, vascular shear stress, and fibroblast growth factor-23), explore a potential new vascular dimension to AF pathophysiology, highlight a growing body of evidence supporting an association between systemic vascular endothelial dysfunction, AF, and stroke, and discuss potential common effective therapies.
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Affiliation(s)
- Michel T Corban
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN
| | - Takumi Toya
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN
| | - Ali Ahmad
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN
| | - Lilach O Lerman
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN
| | - Hon-Chi Lee
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN
| | - Amir Lerman
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, Rochester, MN.
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Tan Y, Bian Y, Song Y, Zhang Q, Wan X. Exosome-Contained APOH Associated With Antiphospholipid Syndrome. Front Immunol 2021; 12:604222. [PMID: 34040601 PMCID: PMC8143051 DOI: 10.3389/fimmu.2021.604222] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 03/26/2021] [Indexed: 12/24/2022] Open
Abstract
Background Antiphospholipid syndrome (APS) is a systemic autoimmune disease that can lead to thrombosis and/or pregnancy complications. Exosomes, membrane-encapsulated vesicles that are released into the extracellular environment by many types of cells, can carry signals to recipient cells to affect angiogenesis, apoptosis, and inflammation. There is increasing evidence suggesting that exosomes play critical roles in pregnancy. However, the contribution of exosomes to APS is still unknown. Methods Peripheral plasma was collected from healthy early pregnancy patients (NC-exos) and early pregnancy patients with APS (APS-exos) for exosome extraction and characterization. The effect of exosomes from different sources on pregnancy outcomes was determined by establishing a mouse pregnancy model. Following the coincubation of exosomes and human umbilical vein endothelial cells (HUVECs), functional tests examined the features of APS-exos. The APS-exos and NC-exos were analyzed by quantitative proteomics of whole protein tandem mass tag (TMT) markers to explore the different compositions and identify key proteins. After incubation with HUVECs, functional tests investigated the characteristics of key exosomal proteins. Western blot analysis was used to identify the key pathways. Results In the mouse model, APS-exos caused an APS-like birth outcome. In vitro experiments showed that APS-exos inhibited the migration and tube formation of HUVECs. Quantitative proteomics analysis identified 27 upregulated proteins and 9 downregulated proteins in APS-exos versus NC-exos. We hypothesized that apolipoprotein H (APOH) may be a core protein, and the analysis of clinical samples was consistent with finding from the proteomic TMT analysis. APOH-exos led to APS-like birth outcomes. APOH-exos directly enter HUVECs and may play a role through the phospho-extracellular signal-regulated kinase pathway. Conclusions Our study suggests that both APS-exos and APOH-exos impair vascular development and lead to pregnancy complications. APOH-exos may be key actors in the pathogenesis of APS. This study provides new insights into the pathogenesis of APS and potential new targets for therapeutic intervention.
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Affiliation(s)
- Yuan Tan
- Department of Integrated Traditional Chinese Medicine (TCM) & Western Medicine, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yiding Bian
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yunfeng Song
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Qinhua Zhang
- Department of Integrated Traditional Chinese Medicine (TCM) & Western Medicine, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiaoping Wan
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
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