نتایج جستجو برای: bernard soulier syndrome
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INTRODUCTION The management of patients with coagulopathic disorders undergoing orthopaedic surgery requires a dedicated, multi-disciplinary team with detailed perioperative planning. Bernard-Soulier Syndrome (BSS) is an extremely rare disorder, affecting 1 in 1 million individuals worldwide. It is caused by a deficiency in glycoprotein 1b-V-IX which is required for normal platelet-mediated clo...
Crossed immunoelectrophoresis of Triton X-100 solubilized proteins from normal and abnormal platelets was performed with rabbit antibodies raised against normal platelets. In Bernard-Soulier platelets protein 13 was not detected, and neither the amphiphilic (probably GP Ib) nor the hydrophilic (glycocalicin) glycocalicin-related proteins were seen when monospecific antiglycocalicin antiserum wa...
BACKGROUND Bernard-Soulier syndrome is a severe bleeding disease due to a defect of GPIb/IX/V, a platelet complex that binds the von Willebrand factor. Due to the rarity of the disease, there are reports only on a few cases compromising any attempt to establish correlations between genotype and phenotype. In order to identify any associations, we describe the largest case series ever reported, ...
To evaluate the biosynthetic basis for decreased glycoprotein (GP) Ib-IX expression resulting from GP IX mutations described in three siblings with Bernard-Soulier syndrome, we introduced each mutation into the cDNA for GP IX by site-directed mutagenesis (GP IX Asp21 --> Gly and GP IX Asn45 --> Ser) and examined the associations of the mutants with the two other subunits of the GP Ib-IX complex...
This study demonstrates that when platelets are stimulated by thrombin in the presence of low concentrations of purified human fibrinogen (10 to 20 Lg/mL. final concentration) binding of released platelet von Willebrand factor (plt-vWF) to the platelet membrane is enhanced. This effect appears to be mediated by fibrin monomer produced by the action of thrombin on the fibrinogen in the incubatio...
The number of platelets in the peripheral blood of healthy children, full-term, and premature infants falls into the same range as that of adults. Thrombocytopenia, defined as a platelet count of less than 150,000/mm(<150 × 10/L), may be due to decreased production, splenic sequestration, or increased platelet destruction. The following is a review of disorders involving the last mechanism, all...
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