| Code | CSB-RA022812A705phHU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| WB | 1:500-1:5000 |
| IHC | 1:50-1:200 |
STAT3 serves as a critical convergence point for multiple signaling cascades, translating extracellular signals into transcriptional responses that govern cell proliferation, survival, and immune function. Phosphorylation at tyrosine 705 represents the activating event that enables STAT3 dimerization and nuclear translocation, making this specific modification a key indicator of pathway activation. Aberrant STAT3 signaling has been implicated in numerous malignancies and inflammatory conditions, positioning phospho-STAT3 (Tyr705) as an essential biomarker for researchers investigating oncogenic signaling and therapeutic intervention strategies.
This recombinant monoclonal antibody, generated from clone 3D11 in rabbit host, offers the reproducibility and sequence-defined consistency that phospho-specific detection demands. Because phosphorylation states can be transient and context-dependent, having a reliable reagent with predictable lot-to-lot performance is particularly valuable for longitudinal studies or when comparing results across experiments. The antibody has been raised against a synthetic peptide corresponding to the human phospho-STAT3 (Tyr705) region, ensuring precise epitope targeting.
Validation studies demonstrate robust performance in Western blot applications, where the antibody successfully detected phospho-STAT3 at the expected 88 kDa molecular weight in A549 whole cell lysates and Jurkat cells treated with EGF or pervanadate to induce phosphorylation. For immunohistochemistry, testing in paraffin-embedded human breast cancer tissue confirms utility for examining STAT3 activation status in clinical specimens, with recommended dilutions ranging from 1:50 to 1:200.
Whether investigating cytokine-mediated signaling, tumor microenvironment dynamics, or therapeutic response mechanisms, this antibody provides researchers with a dependable tool for monitoring this pivotal phosphorylation event in signal transduction studies.
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