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Stat4 (Signal Transducer and Activator of Transcription 4, Stat-4)

Cat no: S7972-02Q


Supplier: United States Biological
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Membrane receptor signaling by various ligands induces activation of Jak kinases which then leads to tyrosine phosphorylation of the various Stat transcription factors. Stat1 and Stat2 are induced by IFN-a and form a heterodimer which is part of the ISGF3 transcription factor complex. Although early reports indicate Stat3 activation by EGF and IL-6, it has been shown that Stat3b appears to be activated by both while Stat3a is activated by EGF, but not by IL-6. Highest expression of Stat4 is seen in testis and myeloid cells. IL-12 has been identified as an activator of Stat4. Stat5 is activated by prolactin and by IL-3. Stat6 is involved in IL-4 activated signaling pathways. 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.
Catalogue number: S7972-02Q
Reactivities: Human, Mouse, Rat, Porcine
Hosts: Rabbit
Applications: Western Blot
Size: 100ug
Form: Supplied as a liquid in PBS, 0.5% BSA, 0.01% thimerosal, 30% glycerol.
P type: Pab
Isotype: IgG
Purity: Purified by affinity chromatography.
Additional info: Recognizes rat Stat4 at ~60kD and ~97kD. Species Crossreactivity: human, mouse and porcine.

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