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Title: A common ancestral glycoprotein (GP) 9 1828A > G (Asn45Ser) gene mutation occurring in European families from Australia and Northern Europe with Bernard-Soulier syndrome (BSS)
Authors: Liang, HPH ×
Morel-Kopp, MC
Clemetson, JM
Clemetson, KJ
Kekomaki, R
Kroll, H
Michaelides, K
Tuddenham, EGD
Vanhoorelbeke, Karen
Ward, CM #
Issue Date: Sep-2005
Publisher: Schattauer gmbh-verlag medizin naturwissenschaften
Series Title: Thrombosis and haemostasis vol:94 issue:3 pages:599-605
Abstract: Bernard-Soulier syndrome (BSS) is an extremely rare hereditary bleeding disorder, caused by mutations occurring in the Glycoprotein (GP) Ib alpha, GPI beta and GP9 genes that encode for the corresponding subunits of platelet GPIb-V-IX adhesion receptor complex. BSS has been reported in many populations, mostly behaving in an autosomal-recessive manner. While the great majority of BSS mutations are unique to a single individual or family, the GP9 1828A > G Asn45Ser mutation, which we have identified in an undocumented Australian Caucasian, has already been reported in multiple unrelated Caucasian families from various Northern and Central European countries. Haplotype analysis of 19 BSS patients from 15 unrelated Northern European families (including 2 compound heterozygote siblings from a British family previously published, and 17 1828A > G Asn45Ser homozygotes), showed that 14 of these BSS patients from 11 of the 1828A > G Asn45Ser homozygote families share a common haplotype at the chromosomal region 3' to the GP9 gene. Hence, the results suggest that the GP9 1828A > G Asn45er mutation in these families is ancient,and its frequent emergence in the European population is the result of a founder effect rather than recurrent mutational events. Association of the 1828A > G Asn45Ser mutation with variant haplotypes in 4 other Northern European BSS families raised the possibility of a second founder event, or rare recombinations in these families. Additional members from these 'atypical' lineages would need to be screened to resolve this question.
ISSN: 0340-6245
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemistry, Campus Kulak Kortrijk
Interdisciplinary Research Facility Life Sciences, Campus Kulak Kortrijk
× corresponding author
# (joint) last author

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