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A family-wide assessment of latent STAT transcription factor interactions reveals divergent dimer repertoires (2023)
Journal Article
Begitt, A., Krause, S., Cavey, J. R., Vinkemeier, D. E., & Vinkemeier, U. (2023). A family-wide assessment of latent STAT transcription factor interactions reveals divergent dimer repertoires. Journal of Biological Chemistry, 299(5), Article 104703. https://doi.org/10.1016/j.jbc.2023.104703

The conversion of signal transducer and activator of transcription (STAT) proteins from latent to active transcription factors is central to cytokine signaling. Triggered by their signal-induced tyrosine phosphorylation, it is the assembly of a range... Read More about A family-wide assessment of latent STAT transcription factor interactions reveals divergent dimer repertoires.

STAT2 is a pervasive cytokine regulator due to its inhibition of STAT1 in multiple signaling pathways (2016)
Journal Article
Ho, J., Pelzel, C., Begitt, A., Mee, M., Elsheikha, H. M., Scott, D. J., & Vinkemeier, U. (2016). STAT2 is a pervasive cytokine regulator due to its inhibition of STAT1 in multiple signaling pathways. PLoS Biology, 14(10), 1-27. https://doi.org/10.1371/journal.pbio.2000117

STAT2 is the quintessential transcription factor for type 1 interferons (IFNs), where it functions as a heterodimer with STAT1. However, the human and murine STAT2-deficient phenotypes suggest important additional and currently unidentified type 1 IF... Read More about STAT2 is a pervasive cytokine regulator due to its inhibition of STAT1 in multiple signaling pathways.

TLR2 stimulation regulates the balance between regulatory T cell and Th17 function: A novel mechanism of reduced regulatory T cell function in multiple sclerosis (2015)
Journal Article
Nyirenda, M. H., Morandi, E., Vinkemeier, U., Constantin-Teodosiu, D., Drinkwater, S., Mee, M., …Gran, B. (2015). TLR2 stimulation regulates the balance between regulatory T cell and Th17 function: A novel mechanism of reduced regulatory T cell function in multiple sclerosis. Journal of Immunology, 194(12), 5761-5774. https://doi.org/10.4049/jimmunol.1400472

CD4+ CD25hi FOXP3+ regulatory T cells (Tregs) maintain tolerance to self-Ags. Their defective function is involved in the pathogenesis of multiple sclerosis (MS), an inflammatory demyelinating disease of the CNS. However, the mechanisms of such defec... Read More about TLR2 stimulation regulates the balance between regulatory T cell and Th17 function: A novel mechanism of reduced regulatory T cell function in multiple sclerosis.

TLR2 Stimulation Regulates the Balance between Regulatory T Cell and Th17 Function: A Novel Mechanism of Reduced Regulatory T Cell Function in Multiple Sclerosis (2015)
Journal Article
Nyirenda, M. H., Morandi, E., Vinkemeier, U., Constantin-Teodosiu, D., Drinkwater, S., Mee, M., …Gran, B. (2015). TLR2 Stimulation Regulates the Balance between Regulatory T Cell and Th17 Function: A Novel Mechanism of Reduced Regulatory T Cell Function in Multiple Sclerosis. Journal of Immunology, 194(12), 5761-5774. https://doi.org/10.4049/%E2%80%8Bjimmunol.1400472

CD4+CD25hi FOXP3+ regulatory T cells (Tregs) maintain tolerance to self-Ags. Their defective function is involved in the pathogenesis of multiple sclerosis (MS), an inflammatory demyelinating disease of the CNS. However, the mechanisms of such defect... Read More about TLR2 Stimulation Regulates the Balance between Regulatory T Cell and Th17 Function: A Novel Mechanism of Reduced Regulatory T Cell Function in Multiple Sclerosis.

STAT1-cooperative DNA binding distinguishes type 1 from type 2 interferon signaling (2014)
Journal Article
Begitt, A., Droescher, M., Meyer, T., Schmid, C. D., Baker, M., Antunes, F., …Vinkemeier, U. (in press). STAT1-cooperative DNA binding distinguishes type 1 from type 2 interferon signaling. Nature Immunology, 15(2), https://doi.org/10.1038/ni.2794

STAT1 is an indispensable component of a heterotrimer (ISGF3) and a STAT1 homodimer (GAF) that function as transcription regulators in type 1 and type 2 interferon signaling, respectively. To investigate the importance of STAT1-cooperative DNA bindin... Read More about STAT1-cooperative DNA binding distinguishes type 1 from type 2 interferon signaling.

SUMO conjugation of STAT1 protects cells from hyperresponsiveness to IFN? (2011)
Journal Article
Begitt, A., Droescher, M., Knobeloch, K., & Vinkemeier, U. (2011). SUMO conjugation of STAT1 protects cells from hyperresponsiveness to IFN?. Blood, 118(4), https://doi.org/10.1182/blood-2011-04-347930

The biologic effects of IFNγ are mediated by the transcription factor STAT1. The activity of STAT1 is inhibited by small ubiquitin-like modifier (SUMO) conjugation. This occurs both directly through decreasing STAT1 tyrosine phosphorylation and indir... Read More about SUMO conjugation of STAT1 protects cells from hyperresponsiveness to IFN?.

STAT1 signaling is not regulated by a phosphorylation-acetylation switch (2011)
Journal Article
Antunes, F., Marg, A., & Vinkemeier, U. (2011). STAT1 signaling is not regulated by a phosphorylation-acetylation switch. Molecular and Cellular Biology, 31(14), https://doi.org/10.1128/MCB.05300-11

The treatment of cells with histone deacetylase inhibitors (HDACi) was reported to reveal the acetylation of STAT1 at lysine 410 and lysine 413 (O. H. Kra¨mer et al., Genes Dev. 20:473–485, 2006). STAT1 acetylation was proposed to regulate apoptosi... Read More about STAT1 signaling is not regulated by a phosphorylation-acetylation switch.