| Code | CSB-RA847116A0HU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| IHC | 1:50-1:200 |
HSPA5, commonly known as GRP78 or BiP, serves as a master regulator of endoplasmic reticulum homeostasis and the unfolded protein response. This essential chaperone protein plays a critical role in protein folding, ER stress signaling, and calcium homeostasis, making it a key marker in studies of cellular stress, cancer biology, and metabolic disorders. Elevated HSPA5 expression has been consistently associated with tumor progression and therapeutic resistance, positioning it as both a diagnostic marker and potential therapeutic target.
This recombinant monoclonal antibody, generated against a synthetic peptide derived from human GRP78 BiP, offers the reproducibility and consistency that demanding research protocols require. As a sequence-defined reagent produced through recombinant technology, it eliminates the lot-to-lot variability that can compromise longitudinal studies and multi-site collaborations. The rabbit IgG format, purified by affinity chromatography, ensures high specificity for your target while maintaining compatibility with standard secondary detection systems.
Validation in immunohistochemistry demonstrates reliable performance in paraffin-embedded human tissues. Testing on human breast cancer sections using a Leica Bond system with citrate buffer antigen retrieval at pH 6.0 produced clear, specific staining at 1:100 dilution, with recommended working dilutions ranging from 1:50 to 1:200 depending on your specific tissue and detection system. The antibody has also been validated for ELISA applications, providing flexibility across different experimental workflows.
Whether you are investigating ER stress pathways, characterizing tumor microenvironments, or exploring HSPA5 as a cell surface marker in cancer research, this antibody delivers the specificity and batch consistency needed for meaningful, reproducible results.
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