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Domain Requirements For The Diverse Immune Regulatory Functions Of Foxp3, Wei-Ping Zeng, Vincent E. Sollars, Andrea Del Pilar Belalcazar
Domain Requirements For The Diverse Immune Regulatory Functions Of Foxp3, Wei-Ping Zeng, Vincent E. Sollars, Andrea Del Pilar Belalcazar
Wei-ping Zeng
Foxp3 is responsible for the major immunological features of Treg cells, including hypoproliferation in vitro, immune suppression of conventional T cells and resistance to Th2 cell differentiation. In addition to the Forkhead domain, the Foxp3 protein contains the N-terminal, zinc finger and leucine zipper domains. To understand how these domains contribute to Foxp3 functions, we systematically compared the roles of these domains in determining the 3 major immunological features of Treg cells. We designed a bridge-mediated mutagenesis method to generate Foxp3 mutants with complete deletion of each of the domains. CD4 T cells expressing the Foxp3 mutant with deletion of …