Dissociated thymus cells are capable of initiating graft-versus-host reaction in (C3Hf/Gs x DBA/2)F1 hybrids only when derived from parental donors previously sensitized against the antigens of the other parental strain. The lower immunologic activity of thymus cells as compared with other lymphoid cells is presumably due to quantitative rather than qualitative differences in immunologically competent cells.

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© 1964 by American Society of Hematology, Inc.
1964
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