| Code | CSB-RA592348A0HU |
| Size | US$210 |
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| Application | Recommended Dilution |
|---|---|
| IF | 1:20-1:200 |
TP53, commonly known as p53, stands as one of the most extensively studied proteins in cancer biology, functioning as a critical tumor suppressor that orchestrates cellular responses to DNA damage, oncogenic stress, and metabolic dysfunction. Often called the "guardian of the genome," p53 regulates cell cycle arrest, apoptosis, and senescence pathways, making it an essential focus for researchers investigating cancer mechanisms, therapeutic resistance, and cellular stress responses.
This recombinant monoclonal antibody, clone 7A9, offers the reproducibility and consistency that demanding research protocols require. Generated through recombinant technology with a defined sequence, this antibody eliminates the lot-to-lot variability that can compromise longitudinal studies or multi-site collaborations. The rabbit host and monoclonal nature ensure high specificity for human p53, while affinity chromatography purification delivers a clean reagent suitable for sensitive detection methods.
Validation through immunofluorescence demonstrates clear nuclear localization in HepG2 cells, a human hepatocellular carcinoma line frequently used in p53 research. At a 1:50 dilution, the antibody produces distinct nuclear staining that co-localizes appropriately with DAPI counterstaining, confirming its utility for subcellular localization studies. The recommended working range of 1:20 to 1:200 for immunofluorescence provides flexibility for optimization across different experimental conditions and cell types.
Whether investigating p53-dependent transcriptional programs, examining nuclear-cytoplasmic shuttling dynamics, or characterizing p53 status in cancer cell models, this antibody supports research spanning epigenetics, nuclear signaling, and cell biology. Its validated performance in immunofluorescence makes it particularly well-suited for studies requiring spatial resolution of p53 expression and localization patterns.
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