ENG and Glanzmann thrombasthenia 1: Also, the specific binding of sEng to CHO cells expressing human αIIbβ3 is shown in the present work, whereas platelets from GT patients, which exhibit a deficient expression of αIIbβ3 integrin, display a strong reduction of adhesion to endoglin-coated plates, as well as to endoglin-expressing EC, compared to control platelets.