STATs (signal transducers and activators of transcription) are a family of cytoplamic latent transcription factors that are activated to regulate gene expression in response to a large number of extracellular signalling peptides including cytokines, interferons, and growth factors. After phosphorylation by JAK tyrosine kinases, STATs enter the nucleus to regulate transcription of many different genes. Among the seven STATs (Stat1, Stat2, Stat3, Stat4, Stat5a, Stat5b, and Stat6). Stat1, Stat3, Stat5a and Stat5b have wide activation profiles. Stat1 is activated by many different ligands including IFN family (IFN-a, IFN-b, IFN-r, and IL-10), gp130 family (IL-6, IL-11, LIF, CNTF, and G-CSF-1), and receptor tyrosine kinases (EGF, PDGF, and CSF-1). Stat1 has two forms, the 91kD STAT1a and the 84kD STAT1b, which are coded by the same gene with splicing variant.
Applications:
Suitable for use in Western Blot. Other applications not tested.
Recommended Dilution:
Western Blot: 0.5-4ug/ml
Optimal dilutions to be determined by the researcher.
Storage and Stability:
May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
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