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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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Tumor protein p53 (TP53) is a sequence-specific transcription factor that functions as a central tumor suppressor regulating DNA damage responses, apoptosis, and genomic stability. The TP53 Antibody for Western Blot clone rTP53/1739 is a recombinant mouse monoclonal antibody designed to detect p53 protein in western blot experiments, enabling researchers to evaluate TP53 expression and stabilization in cell and tissue lysates.
TP53 antibody reagents are widely used in cancer biology because p53 is one of the most frequently altered proteins in human tumors. The TP53 gene, located on chromosome 17p13.1, encodes Tumor protein p53, also known as Cellular tumor antigen p53. The p53 protein contains multiple structural domains including an N-terminal transcriptional activation region, a central DNA-binding domain responsible for sequence-specific transcriptional regulation, a tetramerization domain required for formation of active transcription complexes, and a regulatory C-terminal region that modulates DNA binding and protein stability.
Detection of p53 protein by immunoblotting is a common strategy used to study TP53 pathway activation. In normal cells, p53 levels remain low due to rapid ubiquitination and degradation mediated primarily by the E3 ubiquitin ligase MDM2. Cellular stress signals such as DNA damage, oncogene activation, oxidative stress, or hypoxia disrupt this regulatory pathway and stabilize p53 protein. As a result, TP53 accumulates within the nucleus and can be readily detected by western blot analysis, making antibodies such as the TP53 Antibody for Western Blot particularly valuable for studying stress response pathways.
The recombinant monoclonal clone rTP53/1739 supports reliable detection of endogenous p53 protein in denatured lysates separated by SDS-PAGE. In western blot experiments, TP53 typically appears as a band near the predicted molecular weight of approximately 53 kDa, although band intensity can increase substantially following DNA damage or oncogenic signaling. Using the TP53 Antibody for Western Blot, investigators can monitor changes in p53 protein levels during studies of tumor suppressor signaling, genotoxic stress responses, and cancer progression.
Western blot analysis of p53 remains a foundational technique for evaluating TP53 pathway activation in experimental models. The TP53 Antibody for Western Blot clone rTP53/1739 provides a recombinant monoclonal reagent optimized for immunoblot detection of p53 protein, supporting research focused on DNA damage signaling, tumor suppressor regulation, and molecular mechanisms driving malignant transformation.
Optimal dilution of the TP53 Antibody for Western Blot / p53 Western Blot Antibody should be determined by the researcher.
Recombinant full length human protein was used as the immunogen for the TP53 Antibody for Western Blot / p53 Western Blot Antibody.
Store the recombinant p53/TP53 antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
p53 antibody, Tumor protein p53 antibody, Cellular tumor antigen p53 antibody, TP53 tumor suppressor antibody
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