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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Friend of GATA-1 represses GATA-3-dependent activity in CD4+ T cells.

The development of naive CD4+ T cells into a T helper ( Th) 2 subset capable of producing interleukin (IL)-4, IL-5, and IL-13 involves a signal transducer and activator of transcription (Stat)6-dependent induction of GATA-3 expression, followed by Stat6-independent GATA-3 autoactivation. The friend of GATA (FOG)-1 protein regulates GATA transcription factor activity in several stages of hematopoietic development including erythrocyte and megakaryocyte differentiation, but whether FOG-1 regulates GATA-3 in T cells is uncertain. We show that FOG-1 can repress GATA-3-dependent activation of the IL-5 promoter in T cells. Also, FOG-1 overexpression during primary activation of naive T cells inhibited Th2 development in CD4+ T cells. FOG-1 fully repressed GATA-3-dependent Th2 development and GATA-3 autoactivation, but not Stat6-dependent induction of GATA-3. FOG-1 overexpression repressed development of Th2 cells from naive T cells, but did not reverse the phenotype of fully committed Th2 cells. Thus, FOG-1 may be one factor capable of regulating the Th2 development.[1]


  1. Friend of GATA-1 represses GATA-3-dependent activity in CD4+ T cells. Zhou, M., Ouyang, W., Gong, Q., Katz, S.G., White, J.M., Orkin, S.H., Murphy, K.M. J. Exp. Med. (2001) [Pubmed]
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