Proof-of-concept study demonstrating the pathogenicity of affinity-purified IgG antibodies directed to domain I of β 2 -glycoprotein I in a mouse model of …

C Pericleous, P Ruiz-Limon, Z Romay-Penabad… - …, 2015 - academic.oup.com
Objective. IgG aPL against domain I of β 2-glycoprotein I (β 2 GPI)[anti-DI (aDI)] is
associated with the pathogenesis of APS, an autoimmune disease defined by thrombosis …

[HTML][HTML] In vivo inhibition of antiphospholipid antibody-induced pathogenicity utilizing the antigenic target peptide domain I of β2-glycoprotein I: proof of concept

Y Ioannou, ZR Penabad, C Pericleous, I Giles… - Journal of thrombosis …, 2009 - Elsevier
Objectives: In the antiphospholipid syndrome (APS), the immunodominant epitope for the
majority of circulating pathogenic antiphospholipid antibodies (aPLs) is the N-terminal …

PEGylated domain I of beta-2-glycoprotein I inhibits the binding, coagulopathic, and thrombogenic properties of IgG from patients with the antiphospholipid syndrome

TCR McDonnell, R Willis, C Pericleous… - Frontiers in …, 2018 - frontiersin.org
APS is an autoimmune disease in which antiphospholipid antibodies (aPL) cause vascular
thrombosis and pregnancy morbidity. In patients with APS, aPL exert pathogenic actions by …

Immune responses against domain I of β2‐glycoprotein I are driven by conformational changes: Domain I of β2‐glycoprotein I harbors a cryptic immunogenic epitope

B de Laat, M van Berkel, RT Urbanus… - Arthritis & …, 2011 - Wiley Online Library
Objective The presence of autoantibodies against a cryptic epitope in domain I of β2‐
glycoprotein I (β2GPI) is strongly associated with thrombotic events in patients with the …

Inhibition of thrombotic properties of persistent autoimmune anti-β2GPI antibodies in the mouse model of antiphospholipid syndrome

A Kolyada, A Porter, N Beglova - Blood, The Journal of the …, 2014 - ashpublications.org
Antiphospholipid syndrome (APS) is an autoimmune disorder with increased risk for
thrombosis and pregnancy losses. β2-glycoprotein I (β2GPI) is the major antigen for …

Binding of antiphospholipid antibodies to discontinuous epitopes on domain I of human β2‐glycoprotein I: Mutation studies including residues R39 to R43

Y Ioannou, C Pericleous, I Giles… - Arthritis & …, 2007 - Wiley Online Library
Objective Pathogenic antiphospholipid antibodies (aPL) bind the self antigen N‐terminal
domain (domain I) of β2‐glycoprotein I (β2GPI), with residues G40–R43 being important …

Value of Isolated IgA Anti–β2‐Glycoprotein I Positivity in the Diagnosis of the Antiphospholipid Syndrome

V Murthy, R Willis, Z Romay‐Penabad… - Arthritis & …, 2013 - Wiley Online Library
Objective To examine the prevalence of isolated IgA anti–β2‐glycoprotein I (anti‐β2GPI)
positivity and the association of these antibodies, and a subgroup that bind specifically to …

Autoantibodies specific to a peptide of β2-glycoprotein I cross-react with TLR4, inducing a proinflammatory phenotype in endothelial cells and monocytes

T Colasanti, C Alessandri, A Capozzi… - Blood, The Journal …, 2012 - ashpublications.org
Abstract β2-glycoprotein I (β2GPI) is the major antigenic target for antiphospholipid Abs. Anti-
β2GPI Abs are a heterogeneous population of Igs targeting all domains of the molecule. Abs …

Antiphospholipid antibodies to domain I of beta-2-glycoprotein I show different subclass predominance in comparison to antibodies to whole beta-2-glycoprotein I

T McDonnell, B Artim-Esen, C Wincup… - Frontiers in …, 2018 - frontiersin.org
Antiphospholipid antibodies (aPL), the serological hallmark of antiphospholipid syndrome
(APS), are a heterogeneous group of autoantibodies raised against circulating blood …

Anti-β2-glycoprotein I antibody with DNA binding activity enters living monocytes via cell surface DNA and induces tissue factor expression

S Virachith, M Saito, Y Watanabe… - Clinical & …, 2019 - academic.oup.com
Autoantibodies characteristic for anti-phospholipid syndrome (APS) and systemic lupus
erythematosus (SLE) are anti-β2-glycoprotein I (β2GPI) antibodies and anti-DNA antibodies …