Adhesion Defects
The primary platelet adhesive receptor is GPIb–V–IX, a complex of 4 proteins: GPIbα, GPIbβ, GPV and GPIX,6 each the product of an individual gene.28 Bernard Soulier syndrome (BSS) is an autosomal recessive disorder caused by genetic defects in GPIbα, GPIbβ or GPIX.29 It is characterized by giant platelets and thrombocytopenia and symptoms include mucosal bleeding, easy bruising and surgical bleeding.28 Several molecular defects have been associated with BSS, but almost all result in a deficiency in the expression of the mature, functional GPIb–V–IX complex.
Adhesion Defects
The primary platelet adhesive receptor is GPIb–V–IX, a complex of 4 proteins: GPIbα, GPIbβ, GPV and GPIX,6 each the product of an individual gene.28 Bernard Soulier syndrome (BSS) is an autosomal recessive disorder caused by genetic defects in GPIbα, GPIbβ or GPIX.29 It is characterized by giant platelets and thrombocytopenia and symptoms include mucosal bleeding, easy bruising and surgical bleeding.28 Several molecular defects have been associated with BSS, but almost all result in a deficiency in the expression of the mature, functional GPIb–V–IX complex.
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