1) The ABH blood group activities of human erythrocytes exist mainly in the glycolipid and to a small extent in the glycoprotein fractions. The ABH blood group activities in the glycoprotein fraction are not significantly different between secretrs and non-secretors. 2) The glycolipid fraction isolated from human gastric mucosa contains a moderate level of ABH and a fairly high level of Lewis activities.
April 03, 2017 There had been a system trouble from April 1, 2017, 13:24 to April 2, 2017, 16:07(JST) (April 1, 2017, 04:24 to April 2, 2017, 07:07(UTC)) .The service has been back to normal.We apologize for any inconvenience this may cause you.
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