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Target intelligence / Profile preview
Signal transducer and activator of transcription protein 1 (STAT1)
- Target
- STAT1
- Molecular classification
- Transcription factor, STAT (Signal Transducers and Activators of Transcription)
01
Overview
Signal transducer and activator of transcription protein 1 (STAT1) is a transcription factor that mediates cellular responses to cytokines and growth factors. It plays a critical role in immune response, cell survival, and apoptosis. STAT1 is activated through the JAK-STAT pathway, leading to dimerization, nuclear translocation, and regulation of gene expression. Dysregulation of STAT1 can lead to immunodeficiencies, altered susceptibility to infections, or contribute to autoimmune conditions. Unlike some other STAT family members, activated STAT1 generally suppresses tumor growth.
- Other names
- STAT1 alphaSTAT1 beta
02
Mechanism of action
JAK-STAT signaling pathway modulation via phosphorylation, dimerization, nuclear translocation, and DNA binding.
03
Biological functions
Immune responseAntiviral defenseAntifungal defenseCell survivalApoptosisRegulation of gene expression
04
Disease associations
ImmunodeficiencyInfectionAutoimmune conditionsCancer
05
Safety considerations
Potential for immune dysregulation with excessive activationPossible indirect contribution to autoimmune conditions
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