2022
DOI: 10.1126/sciimmunol.abl8357
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A Stk4-Foxp3–NF-κB p65 transcriptional complex promotes T reg cell activation and homeostasis

Abstract: The molecular programs involved in regulatory T (T reg ) cell activation and homeostasis remain incompletely understood. Here, we show that T cell receptor (TCR) signaling in T reg cells induces the nuclear translocation of serine/threonine kinase 4 (Stk4), leading to the formation of an Stk4–NF-κB p65–Foxp3 complex that regulates Foxp3- and p65-dependent transcriptional programs. This complex was stabilized by Stk4-dependent phosphorylation of Foxp3 on serine-41… Show more

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Cited by 11 publications
(10 citation statements)
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“…As previous studies described, the increasing level of TNFA-NFκB could enhance the suppressive function of Treg cells through inducing the proliferation of Treg cells, resulting in the immune escape of tumor cells. [ 22 , 23 ] In addition, IL2-STAT5 could also regulate the activation of Treg cells through inducing Foxp3. [ 24 ] Besides, we found that the high risk group was also enriched in angiogenesis, TNFA-NFκB signal pathway and IL2-STAT5 signal pathway.…”
Section: Discussionmentioning
confidence: 99%
“…As previous studies described, the increasing level of TNFA-NFκB could enhance the suppressive function of Treg cells through inducing the proliferation of Treg cells, resulting in the immune escape of tumor cells. [ 22 , 23 ] In addition, IL2-STAT5 could also regulate the activation of Treg cells through inducing Foxp3. [ 24 ] Besides, we found that the high risk group was also enriched in angiogenesis, TNFA-NFκB signal pathway and IL2-STAT5 signal pathway.…”
Section: Discussionmentioning
confidence: 99%
“…STK4 translocate to nucleus and constitute a complex with NF-κB p65-Foxp3 that regulates Foxp3-and p65-dependent transcriptional programs. 27 Thus, STK4 positively regulate Treg differentiation or functions. Further, Treg cells suppress Th1 responses.…”
Section: Discussionmentioning
confidence: 99%
“…Deletion of Stk4 in mouse Treg cells inhibits p65 expression, p65-Foxp3 complex formation, and Treg cell activation, ultimately leading to autoimmune lymphoproliferative disorders. 190 The IKK complex protects mature T cells from TNF-induced cell death and is important for their normal homeostasis and function. 7 The integrity of cellular function requires rapid activation and termination of NF-κB signaling, and this tight regulation is essential for normal cellular and organismal homeostasis.…”
Section: Physiology and Pathology Of Nf-κb Signalingmentioning
confidence: 99%