in the system of non-syngeneic transfer of stem hemopoietic cells , the preliminary incubation of the cells of bone marrow or embryonic liver of the c57bl mice with different temperature rna fractions isolated from the spleen of ( cbaxc57bl ) f1 was shown to lead to the complete or partial restoration of the colony forming ability of the donor cells .
C0018956
stem hemopoietic cells
C0007634
cells