A new antigen, McCa (McCoy), and its relationship to Kna(Knops).
The antigen McCa is detected in 98.5 and 96.7 per cent of the American Caucasian and Negro populations respectively. In population studies with anti-McCa and anti-Kna, a strong association was demonstrated between the two antigens, with 53 per cent of McC(a-) sample being Kn(a-) compared with a reported frequency for Kn(a-) of only 0.19 per cent.
D000328:Adult; D000917:Antibody Formation; D001789:Blood Group Antigens; D005260:Female; D006801:Humans; D007518:Isoantibodies; D008297:Male; D011153:Population
D001789:Blood Group Antigens; D007518:Isoantibodies