Glutathione Peroxidase-3 Deficiency Promotes Platelet-Dependent Thrombosis In Vivo

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Glutathione peroxidase-3 deficiency promotes platelet-dependent thrombosis in vivo.

BACKGROUND Glutathione peroxidase-3 (GPx-3) is a selenocysteine-containing plasma protein that scavenges reactive oxygen species in the extracellular compartment. A deficiency of this enzyme has been associated with platelet-dependent thrombosis, and a promoter haplotype with reduced function has been associated with stroke risk. METHODS AND RESULTS We recently developed a genetic mouse model...

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Stroke Glutathione Peroxidase-3 Deficiency Promotes Platelet-Dependent Thrombosis In Vivo

Background—Glutathione peroxidase-3 (GPx-3) is a selenocysteine-containing plasma protein that scavenges reactive oxygen species in the extracellular compartment. A deficiency of this enzyme has been associated with plateletdependent thrombosis, and a promoter haplotype with reduced function has been associated with stroke risk. Methods and Results—We recently developed a genetic mouse model to...

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Plasma glutathione peroxidase deficiency and platelet insensitivity to nitric oxide in children with familial stroke.

In a previous report by Freedman et al (J Clin Invest. 1996;97:979-987), plasma from 2 brothers with stroke or transient ischemic attack inactivated the antiplatelet effects of nitric oxide (NO), and this effect was found to be a consequence of a deficiency of plasma glutathione peroxidase (GSH-Px). In this study, we attempted to define the generalizability of this deficiency by studying NO-med...

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Receptor-interacting protein kinase 3 promotes platelet activation and thrombosis.

Previous studies have shown that receptor-interacting protein kinase 3 (RIP3) is involved in many important biological processes, including necroptosis, apoptosis, and inflammation. Here we show that RIP3 plays a critical role in regulating platelet functions and in vivo thrombosis and hemostasis. Tail bleeding times were significantly longer in RIP3-knockout (RIP3-/-) mice compared with their ...

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ژورنال

عنوان ژورنال: Circulation

سال: 2011

ISSN: 0009-7322,1524-4539

DOI: 10.1161/circulationaha.110.000034