title: ABO aggulutinins from Biomphalari straminea snails.
abstract: Extracts from B. straminea spawn are active against A and B normal red cells. A1 and A2 subgroups may be differentiated with trypsin-, papain- and pronase-treated cells. 0 cells treated with papain, pronase and neuraminidase react weakly to the extracts.
mesh_terms: D000017:ABO Blood-Group System; D000373:Agglutinins / Q000302:isolation & purification; D000818:Animals; D001700:Biomphalaria / Q000276:immunology*; D006388:Hemagglutinins / Q000302:isolation & purification; D006458:Hemolymph / Q000276:immunology; D006801:Humans; D010206:Papain; D011402:Pronase; D014357:Trypsin
chemical_list: D000017:ABO Blood-Group System; D000373:Agglutinins; D006388:Hemagglutinins; D014357:Trypsin; D010206:Papain; D011402:Pronase