Residual amounts of glycoprotein Ib concomitant with near-absence of
glycoprotein IX in platelets of Bernard-Soulier patients
J Drouin, JL McGregor, S Parmentier, CA Izaguirre and KJ Clemetson
INSERM U. 63, Faculte de Medecine Alexis Carrel, Lyon, France.
A study of the Bernard-Soulier syndrome in two unrelated families using
different polyclonal antibodies in a sensitive immunoblot assay showed
residual amounts of platelet membrane glycoprotein (GP) lb in the eight
homozygotes, as well as the near-absence of GPlb beta and GPIX. The eight
heterozygotes studied showed a double band pattern for GPlb and about half
the normal level of GPlb beta and GPIX. Therefore, we conclude that the
Bernard-Soulier syndrome is heterogeneous and is probably not due to gene
deletions.
Volume 72,
Issue 3,
pp. 1086-1088,
09/01/1988
Copyright © 1988 by The American Society of Hematology