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H, A, and B Titres in South African Blood Donors
Author(s) -
Brain P.
Publication year - 1968
Publication title -
vox sanguinis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.68
H-Index - 83
eISSN - 1423-0410
pISSN - 0042-9007
DOI - 10.1111/j.1423-0410.1968.tb01712.x
Subject(s) - bantu languages , group b , group a , red cell , biology , immunology , virology , medicine , philosophy , linguistics
Summary. It is known that the red cells of Bantu of group O have far higher H titres than those of Europeans, and that the cells of A 1 –A 2 intermediates have more H than those of A 2 subjects. This latter finding is not in accord with the theory of Morgan and Watkins according to which H substance is the basic material out of which A and B substances are elaborated. To test the theory further, A, B and H red cell titres were compared in Bantu and Europeans of groups A 1 and B. Bantu cells of group B have considerably more B substance than those of Europeans; H titres of group B cells are about the same in the two races. Bantu A 1 cells, on the other hand, have far more H than A 1 cells from Europeans; the A titres are equal in the two races. Both these findings support the Morgan‐Watkins theory.