Number of B sites generated on group O red cells from adults and newborn infants.
When red cells from the group O blood of adults and newborn infants (cord blood) were incubated with UDP-galactose and group B serum, over 200,000 B sites per cell were generated on adult O cells but only 40,000--70,000 sites per cell on cord cells. It is concluded that smaller amounts of substrate for the B transferase are present on cord cells.
D000017:ABO Blood-Group System; D000328:Adult; D000939:Epitopes; D004899:Erythroblastosis, Fetal / Q000097:blood; D004912:Erythrocytes; D005260:Female; D005312:Fetal Blood; D006801:Humans; D007231:Infant, Newborn; D010641:Phenotype; D011247:Pregnancy
D000017:ABO Blood-Group System; D000939:Epitopes