Article
The T cell receptor beta enhancer promotes access and pairing of Dbeta and Jbeta gene segments during V(D)J recombination.
Proceedings of the National Academy of Sciences of the United States of America - 11 Nov 2003
Ryu Chun Jeih, Haines Brian B, Draganov Dobrin D, Kang Yun Hee, Whitehurst Charles E, Schmidt Tara, Hong Hyo Jeong, Chen Jianzhu
Abstract excerpt
The precise function of cis elements in regulating V(D)J recombination is still controversial. Here, we determined the effect of inactivation of the TCRbeta enhancer (Ebeta) on cleavage and rearrangement of Dbeta1, Dbeta2, Jbeta1, and Jbeta2 gene segments in CD4-CD8- [double-negative (DN)] and CD4+CD8+ [double-positive (DP)] thymocytes. In Ebeta-deficient mice, (i) Dbeta1 rearrangements were more severely...
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