Clinical and lymphohematologic responses after bone marrow transplantation in sibling and unrelated donor-recipient pairs of cats
1990
Cain, J.L. | Cain, G.R. | Turrel, J.M. | Theilen, G.H.
Conditions necessary for establishment of a graft, posttransplant supportive care and complications, and lymphohematopoietic reconstitution after bone marrow transplantation were evaluated in 7 cats. Donor-recipient pairs were selected on the basis of low mutual reactivity in one-way mixed lymphocyte reactions. Before transplantation, cats were given marrow ablative (7 Gray) total-body gamma irradiation. Cyclosporine A was administered to cat 7, which was given marrow from an unrelated donor. Rapid hematologic recovery was attained in 5 of 5 (cats 1 to 5) sibling bone marrow recipients and 1 (cat 7; cyclosporine A-treated) of 2 recipients from unrelated donors. Lymphocyte recovery was prolonged, requiring up to 100 days to attain reference concentrations. Lymphocyte blastogenic responses were below reference range in 2 of 3 cats (cats 1 and 3) examined approximately 1 to 3 months after transplantation. Serum IgG concentrations determined 1 to 6 months after transplantation were within reference range in cats 1 to 5 which were given sibling bone marrow. Fatal infections did not develop in cats that had established grafts. Antimicrobial-responsive fevers did develop, but were generally detected only when granulocyte counts were low (< 1 X 10(9) cells/L). Clinical signs of disease in the immediate posttransplant period consisted of hepatic lipidosis (fatal) in cat 4, hepatitis (mild graft-vs-host disease) in cat 3, and immune-mediated hemolytic anemia and thrombocytopenia in cat 7. Cats with hepatitis and immune-mediated disease responded to immunosuppressive therapy.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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