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1 From the Charlotte Drake Cardeza Foundation, Jefferson Medical College, Philadelphia, Pennsylvania and Division of Biology, Oak Ridge National Laboratory, Oak Ridge, Tennessee
Transplantation of heterologous marrow causes survival of lethally irradiated mice by repopulating the bone marrow of the recipient with donor red and white cells. A study of the extent and duration of the take of the transplanted platelet forming tissues was carried out by preparing antisera in rabbits against rat and mouse platelets and using these sera to identify platelets circulating in the mouse at intervals after transplantation of rat bone marrow. Rat platelets were evident in the blood of such mice 26 days after transplantation. In some animals, rat platelets were never preponderant; in others, after rat platelets were in the majority, reversion to mouse platelets took place. There was no apparent correlation between platelet species and length of survival. There was evidence of at least a partial take of rat platelet precursors in every mouse, but the permanence of the take was variable.
Submitted on December 19, 1957
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