Signal transducer and activator of transcription protein family member (STAT (for family); specific members are STAT1, STAT2, STAT3, STAT4, STAT5A, STAT5B, STAT6)

STAT proteins are a family of latent cytoplasmic transcription factors that, upon activation by cytokine or growth factor signaling, are phosphorylated, dimerize, and translocate to the nucleus where they regulate gene expression. They are essential for processes such as immune cell development, proliferation, and the response to inflammation. Dysregulation of STAT signaling, especially STAT3 and STAT5, is implicated in various cancers, chronic inflammation, and immune system disorders. For structured data purposes, it is recommended to specify the exact STAT protein (e.g., "Signal transducer and activator of transcription 3" for STAT3 or "Signal transducer and activator of transcription 5A" for STAT5A), as each family member can have distinct biological roles and therapeutic relevance.

Other names

STATStat familySignal Transducer and Activator of Transcription

Inhibition of dimerization or tetramerization of STAT proteins Inhibition of tyrosine phosphorylation to prevent activation Blockade of DNA binding to target genes Inhibition of upstream activators, such as JAK kinases