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Values of certain biochemical parameters in mouse serum after syngeneic bone marrow transplantation. Effect of various methods of myeloablation-immunosuppression preparation and recipient's age.

In the mouse experimental model the effect of two different methods of myeloablation-immunosuppression treatment administered as preparation for bone marrow transplantation was studied, also the effect of animal's age on the values of the essential biochemical parameters in the serum and on the body weight of the animals was assessed. The recipients were prepared for the transplantation with total-body irradiation and administration of cyclophosphamide (radio-chemotherapy) or administration of busulphan with cyclophosphamide (combined chemotherapy). Transplantation was done in animals aged 2.5 and 12 months. In all studied animals serum protein and calcium levels were decreased after the transplantation and the uric acid level was transiently raised. In the older mice a short lasting increase in the serum levels of bilirubin, alkaline phosphatase, AST and ALT was noted. However, no changes were found in the results biochemical investigations which could have been related to the method of myeloablation and immunosuppression, apart from slight hypercholesterolaemia which developed about 30 days after the operation in mice prepared by radio-chemotherapy. However, after a year lower body weight was observed in young mice prepared for the procedure with radiation exposure and cyclophosphamide, as compared to those receiving combined chemotherapy. Clinical aspects of these disturbances are discussed.