| Code | CSB-RA011931A100phHU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| WB | 1:500-1:5000 |
| IHC | 1:50-1:200 |
| IP | 1:200-1:1000 |
JAK2 serves as a critical intracellular signaling hub, transducing signals from cytokine receptors to drive cellular proliferation, differentiation, and survival pathways. The dual phosphorylation at tyrosines 1007 and 1008 within the activation loop represents the key regulatory switch that converts JAK2 from its inactive state to a fully active kinase. Detecting this phosphorylation event provides direct insight into pathway activation status, making it particularly valuable for studying cytokine signaling dynamics, hematopoietic regulation, and the dysregulated JAK-STAT signaling characteristic of myeloproliferative neoplasms.
This recombinant monoclonal antibody, generated against a synthetic phosphopeptide encompassing the Y1007/Y1008 site, offers the reproducibility and sequence-defined specificity that phospho-specific detection demands. Because recombinant production eliminates the batch variability inherent in traditional hybridoma methods, researchers can confidently compare phosphorylation levels across experiments conducted months apart.
Validation studies demonstrate robust performance across multiple applications. Western blot analysis detects a band at the expected 120 kDa in HeLa and A549 whole cell lysates, with pervanadate treatment of A549 cells confirming the antibody's ability to track phosphatase-sensitive phosphorylation changes. Immunohistochemistry staining has been validated in paraffin-embedded human ovarian and cervical cancer tissues using citrate-based antigen retrieval, revealing the utility of this antibody for examining JAK2 activation in clinical specimens. Immunoprecipitation experiments successfully enrich phospho-JAK2 from pervanadate-treated HeLa lysates, enabling downstream analysis of activated JAK2 complexes.
Whether investigating cytokine-induced signaling cascades, characterizing JAK2 activation in cancer models, or screening for pathway modulators, this antibody provides the phospho-specific detection essential for meaningful mechanistic studies in cell biology research.
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