Endothelial cell microparticles and antiphospholipid syndrome: pathologic explanations and diagnostic opportunities

IA Greer - Thrombosis and haemostasis, 2004 - thieme-connect.com
in microparticle production. Microparticles can influence the development of thrombosis in
many ways. For example, microparticles provide a catalytic surface for the assembly of …

Activation of platelet mTORC2/akt pathway by anti-β2GP1 antibody promotes thrombosis in antiphospholipid syndrome

Z Tang, H Shi, C Chen, J Teng, J Dai… - … and Vascular Biology, 2023 - Am Heart Assoc
BACKGROUND: Anti-β2GP1 (β2-glycoprotein 1) antibodies are the primary pathogenic
antibody to promote thrombosis in antiphospholipid syndrome (APS), yet the underlying …

Microparticles from apoptotic platelets promote resident macrophage differentiation

EM Vasina, S Cauwenberghs, MAH Feijge… - Cell death & …, 2011 - nature.com
Platelets shed microparticles not only upon activation, but also upon ageing by an apoptosis-
like process (apoptosis-induced platelet microparticles, PM ap). While the activation-induced …

Anti-β2 glycoprotein I antibodies prevent the de-activation of platelets and sustain their phagocytic clearance

A Bondanza, MG Sabbadini, F Pellegatta… - Journal of …, 2000 - Elsevier
Exposure to phosphatidylserine (PS) tags dying and senescent cells for removal and
identifies activated platelets. In this study we followed the fate of PS-exposing platelets in the …

[HTML][HTML] Altered β2‐glycoprotein I expression on microparticles in the presence of antiphospholipid antibodies

F Mobarrez, I Gunnarsson, E Svenungsson - Journal of Thrombosis and …, 2017 - Elsevier
Essentials• β2 glycoprotein‐I (β 2 GPI) is a scavenger molecule that binds to microparticles
(MPs).• β 2 GPI expression on MPs was measured in systemic lupus erythematosus (SLE) …

Platelet-derived microparticles

R Nieuwland, A Sturk - Platelets, 2002 - books.google.com
Platelets play important roles in hemostasis. After vessel wall damage, platelets rapidly
adhere, aggregate, and secrete compounds that activate other platelets. This results in the …

Release of neutrophil extracellular traps by neutrophils stimulated with antiphospholipid antibodies: a newly identified mechanism of thrombosis in the …

S Yalavarthi, TJ Gould, AN Rao, LF Mazza… - Arthritis & …, 2015 - Wiley Online Library
Objective Antiphospholipid antibodies (aPL), especially those targeting β2‐glycoprotein I
(β2GPI), are well known to activate endothelial cells, monocytes, and platelets, with …

The exposure of autoantigens by microparticles underlies the formation of potent inflammatory components: the microparticle‐associated immune complexes

N Cloutier, S Tan, LH Boudreau, C Cramb… - EMBO molecular …, 2013 - embopress.org
Immunoglobulins, antigens and complement can assemble to form immune complexes (IC).
ICs can be detrimental as they propagate inflammation in autoimmune diseases. Like ICs …

Anti-phospholipid antibodies bind to platelet microparticles in idiopathic (autoimmune) thrombocytopenic purpura

S Nomura, M Yanabu, T Fukuroi, H Kido… - Annals of …, 1992 - Springer
We recently reported that IgM antibody-related microparticles exist in some patients with
idiopathic thrombocytopenic purpura (ITP)[14]. In this study, we investigated the relationship …

A megakaryocyte with no platelets: anti-platelet antibodies, apoptosis, and platelet production

J Perdomo, F Yan, BH Chong - Platelets, 2013 - Taylor & Francis
Primary immune thrombocytopenia (ITP) and drug-induced thrombocytopenia (DITP) are
disorders caused primarily by the presence of anti-platelet auto-antibodies (Abs) …