Abstract
THERE is an obvious need for a marker that will differentiate one type of lymphocyte from another. The need has become urgent in view of recent evidence suggesting that there are at least two populations of lymphocytes, one thymus-derived and one bone marrow-derived, which participate in different ways in the immune response1. The theta (θ) isoantigen (θ is determined by a single locus with two alleles: θAKR found in AKR and RF mice and θC3H present in most other inbred strains of mice tested), described by Reif and Allen2,3, which is found chiefly in thymus lymphocytes and brain, and to a lesser extent in peripheral lymphocytes in mice, seemed a possible antigenic marker of thymus-derived lymphocytes. To establish that θ is such a marker, it is necessary to demonstrate that there is a discrete population of peripheral lymphocytes which carry the antigen and that these cells are thymus-dependent.
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RAFF, M. Theta Isoantigen as a Marker of Thymus-derived Lymphocytes in Mice. Nature 224, 378–379 (1969). https://doi.org/10.1038/224378a0
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DOI: https://doi.org/10.1038/224378a0
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