the platelets of patients with glanzmann 's thrombasthenia and the bernard-soulier syndrome , which are characterized by different membrane glycoprotein deficiencies , were shown to have fetuin-sialyltransferase activities within the normal range indicating that the membrane glycoprotein defects in the platelets of these patients are not associated with the absence of sialyltransferase activity .
C0025248
membrane glycoprotein
C0032195
membrane glycoprotein