An update on the Augustine blood group system

This update of the Augustine (AUG) blood group system (Daniels G. The Augustine blood group system, 48 years in the making. Immunohematology 2016;32:100–3) describes two antigens that have been added to the Augustine system (International Society of Blood Transfusion system 36), bringing the number of antigens in the system to four. Further information on the clinical significance of Augustine system antibodies and the function of the Augustine glycoprotein, equilibrative nucleoside transporter 1, is presented.