The Rag2 mouse was developed in the laboratory of Frederick W. Alt at Columbia University. The model was created by targeting the Rag2 gene in CCE ES cells and injecting the targeted cells into blastocysts. This line originated from model RAG2-M on a 129S6/SvEv background. The mice were backcrossed twelve generations (N12) to a C57BL/6NTac inbred background. Heterozygotes were intercrossed to generate homozygous targeted mutation mice. The line is maintained by incrossing homozygous mice.
Wild type for Nnt mutation
Shinkai, Y, Rathbun, G, Lam, KP, Oltz, EM, Stewart, V, Mendelsohn, M, Charron, J, Datta, M, Young, F, Stall, AM, and Alt, FW. (1992) RAG-2-Deficient Mice Lack Mature Lymphocytes Owing to Inability to Initiate V(D)J Rearrangement, Cell, 68: 855-867.
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