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
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- Immunity
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Immunity 1 95-107, 1994-05-01
Elsevier BV
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キーワード
- Homeodomain Proteins
- Immunity, Cellular
- Lymphoid Tissue
- T-Lymphocytes
- Immunologic Deficiency Syndromes
- Receptors, Antigen, T-Cell
- Receptors, Lymphocyte Homing
- Proteins
- Cell Differentiation
- Mice, Transgenic
- Receptors, Cell Surface
- DNA-Binding Proteins
- Mice
- Hyaluronan Receptors
- Phenotype
- Gene Expression Regulation
- Animals
- RNA, Messenger
- Carrier Proteins
- Promoter Regions, Genetic