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  • Title: Canine blood groups and their importance in veterinary transfusion medicine.
    Author: Hale AS.
    Journal: Vet Clin North Am Small Anim Pract; 1995 Nov; 25(6):1323-32. PubMed ID: 8619269.
    Abstract:
    Over 13 canine blood groups have been described. Eight DEA types are recognized as international standards. Typing sera produced by canine alloimmunization exists for six DEA types: 1.1, 1.2, 3, 4, 5, and 7. Naturally occurring antibody is found against DEA 3, 5, and 7. DEA 1.1 and 1.2 antibody-antigen interactions result in acute hemolytic transfusion reactions. DEA 3, 5, and 7 antibody-antigen interaction in vivo results in permanent red blood cell sequestration and loss in 3 to 5 days. DEA 4 antibody-antigen interactions produce no effect on red blood cell survival in vivo. A dog possessing DEA 4 and no other antigen is considered a "universal" donors. Veterinary transfusion medicine has advanced beyond uncrossmatched, untyped red blood cell transfusion. Whenever possible, transfusion should be between typed and crossmatched individuals. "Universal" donors and crossmatch should be utilized when typing of the recipient is not feasible. Canine blood typing is routinely performed in service laboratories across North America. In-clinic assays are not available for all canine blood group antigens. Recent production of monoclonal antibodies will lead to biochemical definition of the canine blood groups DEA 1.1 and 3. Additional efforts to define the erythrocytes on a molecular level are underway. Advances efforts in this areal will allow for more rapid and uniform testing of the canine red blood cell. Future exploration of DEA type and disease association is needed. A known association exists between DEA 1.1 and neonatal isoerythrolysis. Further screening of the dog population for DEA type may yield markers for autoimmune and neoplastic disease.
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