PMID: 15395576Jan 1, 1950Paper

Immuno-chemical studies on blood groups; the preparation of blood group A and B substances and an inactive substance from individual horse stomachs and of blood group B substance from human saliva

The Journal of Experimental Medicine
H BAERV KNAUB

Abstract

Blood group substances have been isolated from the saliva of human beings of blood group B and from the linings of individual horse stomachs. The properties of the human B substances are similar to those of hog and human blood group substances previously isolated. The horse substances showed lower hexosamine and reducing sugar and higher total and non-hexosamine nitrogen than do the materials from the other species. Materials isolated from individual horse stomachs possess either A or B activity or both. Certain stomachs yielded products of identical analytical composition but with neither blood group A, B, or O activity as measured by their ability to inhibit isoagglutination. Fucose has been identified as a constituent of the horse blood group substances.

Citations

Mar 31, 1950·The Journal of Experimental Medicine·E A KabatV Knaub
Apr 1, 1952·Transactions of the New York Academy of Sciences·D STATS, L R WASSERMAN
Oct 1, 1968·The Journal of Clinical Investigation·F T RapaportJ M Converse

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