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Th2 cells enable humoral immunity and host-defense to parasites. Whereas IL-4 drives Th2 differentiation and IL-2 is important later in this process by augmenting IL4 chromatin accessibility, we demonstrate that IL-2 serves an essential early role in regulating IL-4R? expression by inducing binding ...
ORGANISM(S): Mus musculus 
Interleukin-21 (IL-21) is a pleiotropic cytokine that induces expression of transcription factor BLIMP1 (encoded by Prdm1), which regulates plasma cell differentiation and T cell homeostasis. We identified an IL-21 response element downstream of Prdm1 that binds the transcription factors STAT3 and I...
ORGANISM(S): Mus musculus 
Cytokine-activated STAT proteins dimerize and bind to high-affinity motifs, and N-terminal domain-mediated oligomerization of dimers allows tetramer formation and binding to low-affinity tandem motifs, but the functions of dimers versus tetramers are unknown. We generated Stat5a and Stat5b double kn...
ORGANISM(S): Mus musculus 
Interleukin-2 (IL-2) is a pleiotropic cytokine that regulates lymphocyte function by signaling through heterodimerization of the IL-2Rβ and γc receptor subunits. Previously, we engineered an IL-2 “superkine” (H9) with enhanced affinity for IL-2Rβ. Here, we describe next-generation IL-2 variants that...
ORGANISM(S): Homo sapiens 
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