A regulatory role for recombinase activating genes, RAG-1 and RAG-2, in T cell development

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説明

RAG-1 and RAG-2 are developmentally regulated genes that are essential for the assembly of antigen receptors in lymphoid cells. Here we describe transgenic mice that carry RAG-1 and RAG-2 under the control of the proximal lck promoter. Persistent expression of RAG-1 and RAG-2 was associated with incomplete thymopoiesis and profoundly compromised cellular immunity. In addition, RAG transgenic mice rapidly developed lymphadenopathy, splenomegaly, and lymphocytic perivascular infiltrates. These effects required both RAG-1 and RAG-2, since mice that carried either gene exclusively were indistinguishable from wild-type controls. We propose that in addition to a previously documented role in V(D)J recombination, RAG-1 and RAG-2 expression must be properly regulated for completion of normal T cell development

収録刊行物

  • Immunity

    Immunity 1 95-107, 1994-05-01

    Elsevier BV

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