STAT5-Interacting Proteins: A Synopsis of Proteins that Regulate STAT5 Activity

  • Able A
  • Burrell J
  • Stephens J
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Abstract

Signal Transducers and Activators of Transcription (STATs) are key components of the JAK/STAT pathway. Of the seven STATs, STAT5A and STAT5B are of particular interest for their critical roles in cellular differentiation, adipogenesis, oncogenesis, and immune function. The interactions of STAT5A and STAT5B with cytokine/hormone receptors, nuclear receptors, transcriptional regulators, proto-oncogenes, kinases, and phosphatases all contribute to modulating STAT5 activity. Among these STAT5 interacting proteins, some serve as coactivators or corepressors to regulate STAT5 transcriptional activity and some proteins can interact with STAT5 to enhance or repress STAT5 signaling. In addition, a few STAT5 interacting proteins have been identified as positive regulators of STAT5 that alter serine and tyrosine phosphorylation of STAT5 while other proteins have been identified as negative regulators of STAT5 via dephosphorylation. This review article will discuss how STAT5 activity is modulated by proteins that physically interact with STAT5.

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Able, A., Burrell, J., & Stephens, J. (2017). STAT5-Interacting Proteins: A Synopsis of Proteins that Regulate STAT5 Activity. Biology, 6(4), 20. https://doi.org/10.3390/biology6010020

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