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A point mutation in Phe71Ser in glycoprotein IX as a genetic cause of Bernard-Soulier syndrome: case report.

07:00 EST 27th February 2018 | BioPortfolio

Summary of "A point mutation in Phe71Ser in glycoprotein IX as a genetic cause of Bernard-Soulier syndrome: case report."

We need to be aware of rare causes of persistent thrombocytopenia as Bernard-Soulier syndrome (BSS). When BSS is suspected based on family history and giant platelets, genetic test for mutations of GPIbIXV is necessary. Management varies once you recognize the cause. Platelets transfusion and antifibrinolytics are the mainstay of therapy.

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This article was published in the following journal.

Name: Clinical case reports
ISSN: 2050-0904
Pages: 686-689

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Medical and Biotech [MESH] Definitions

Platelet membrane glycoprotein complex essential for normal platelet adhesion and clot formation at sites of vascular injury. It is composed of three polypeptides, GPIb alpha, GPIb beta, and GPIX. Glycoprotein Ib functions as a receptor for von Willebrand factor and for thrombin. Congenital deficiency of the GPIb-IX complex results in Bernard-Soulier syndrome. The platelet glycoprotein GPV associates with GPIb-IX and is also absent in Bernard-Soulier syndrome.

A familial coagulation disorder characterized by a prolonged bleeding time, unusually large platelets, and impaired prothrombin consumption.

A mutation caused by the substitution of one nucleotide for another. This results in the DNA molecule having a change in a single base pair.

The discipline studying genetic composition of populations and effects of factors such as GENETIC SELECTION, population size, MUTATION, migration, and GENETIC DRIFT on the frequencies of various GENOTYPES and PHENOTYPES using a variety of GENETIC TECHNIQUES.

Genes that have a suppressor allele or suppressor mutation (SUPPRESSION, GENETIC) which cancels the effect of a previous mutation, enabling the wild-type phenotype to be maintained or partially restored. For example, amber suppressors cancel the effect of an AMBER NONSENSE MUTATION.

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