In vitro treatment of bone marrow grafts with absorbed rabbit-antidog thymocyte globulin (ATG) prevented graft-versus-host disease in a substantial number of the dogs differing by one DLA haplotype. Absorbed ATG has now been used for serological identification of canine lymphocyte populations. Specific labeling of canine T-lymphocytes by absorbed ATG could be demonstrated by (a) a distribution of ATG-positive cells in suspensions of canine lymphoid organs similar to that of T cells observed in other species and by specific staining of paracortical thymus-dependent lymph node areas in immunohistochemistry, (b) complementary labeling of nylon-wool-separated cells by ATG and antiimmunoglobulin sera, and (c) correlation of ATG surface labeling with responder activities in mixed lymphocyte cultures.
View Article and Find Full Text PDFBone marrow aplasia was induced by fractionated whole body irradiation with 3000 R and restitution was started by autologous bone marrow transplantation. During the period of aplasia the amount of buffy coat biopterin clearly followed the decline of leukocytes and, vice versa, during reconstitution it largely paralleled their increase in number. The amount of red cell biopterin closely correlated with the number of reticulocytes rather than with the fairly constant values for hematocrit or of erythrocytic protein.
View Article and Find Full Text PDFWe investigated the toxicity of adriamycin (ADM) in dogs with regard to autologous bone marrow transplantation (BMT). Gastrointestinal toxicity limited the dose of ADM in single administration (3.0 mg/kg) and chronic cardiotoxicity in repeated administration (9 X 1.
View Article and Find Full Text PDFHemopoietic recovery was studied in dogs given 2400 R fractionated total body irradiation within one week and graded doses of cryopreserved autologous bone marrow. Complete hemopoietic recovery including histology was observed after this dose and sufficient doses of marrow cells. Doses of more than 5.
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