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Immunohistochemistry analysis of p53 showing staining in the nucleus of paraffin-embedded human colon carcinoma (right) compared to a negative control without primary antibody (left). To expose target proteins, antigen retrieval was performed using 10mM sodium citrate (pH 6.0), microwaved for 8-15 min. Following antigen retrieval, tissues were blocked in 3% H2O2-methanol for 15 min at room temperature, washed with ddH2O and PBS, and then probed with a p53 monoclonal antibody (134000) diluted in 3% BSA-PBS at a dilution of 1:100 overnight at 4°C in a humidified chamber. Tissues were washed extensively in PBST and detection was performed using an HRP-conjugated secondary antibody followed by colorimetric detection using a DAB kit. Tissues were counterstained with hematoxylin and dehydrated with ethanol and xylene to prep for mounting.
|Tested species reactivity||Human|
|Published species reactivity||Human|
|Host / Isotype||Mouse / IgG1, kappa|
|Immunogen||Recombinant p53 peptide.|
|Storage buffer||PBS, pH 7.4|
|Contains||0.1% sodium azide|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||3-5 µg/10^6 cells|
|Immunohistochemistry (Paraffin) (IHC (P))||1:50-1:500|
|Immunoprecipitation (IP)||Assay Dependent|
|Western Blot (WB)||0.1-1 ug/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
|Western Blot (WB)||See 3 publications below|
Acts as a tumor suppressor in many tumor types; induces growth arrest or apoptosis depending on the physiological circumstances and cell type. Involved in cell cycle regulation as a trans-activator that acts to negatively regulate cell division by controlling a set of genes required for this process. One of the activated genes is an inhibitor of cyclin-dependent kinases. Apoptosis induction seems to be mediated either by stimulation of BAX and FAS antigen expression, or by repression of Bcl-2 expression. In cooperation with mitochondrial PPIF is involved in activating oxidative stress-induced necrosis; the function is largely independent of transcription. Induces the transcription of long intergenic non-coding RNA p21 (lincRNA-p21) and lincRNA- Mkln1. LincRNA-p21 participates in TP53-dependent transcriptional repression leading to apoptosis and seem to have to effect on cell-cycle regulation. Implicated in Notch signaling cross-over. Prevents CDK7 kinase activity when associated to CAK complex in response to DNA damage, thus stopping cell cycle progression. Isoform 2 enhances the transactivation activity of isoform 1 from some but not all TP53-inducible promoters. Isoform 4 suppresses transactivation activity and impairs growth suppression mediated by isoform 1. Isoform 7 inhibits isoform 1-mediated apoptosis.
IP-MS enrichment of TP53 (LFQ intensity): TP53 was enriched 3225-fold from BT549 lysate compared to background proteins, using the optimized IP-MS workflow with Pierce MS-Compatible Magnetic IP Kit protein A/G (Product # 90409) and TP53 antibody (Product # 13-4000). STRING database was used to identify the protein interactor list. See more information on IP-MS verification of antibody selectivity. IP-MS validation info.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Ceramide modulates pre-mRNA splicing to restore the expression of wild-type tumor suppressor p53 in deletion-mutant cancer cells.
13-4000 was used in western blot to study the effect of ceramide treatment on p53
|Patwardhan GA,Hosain SB,Liu DX,Khiste SK,Zhao Y,Bielawski J,Jazwinski SM,Liu YY||Biochimica et biophysica acta (1841:1571)||2014|
Increase in clusterin forms part of the stress response in Hodgkin's lymphoma.
13-4000 was used in western blot to study clusterin in Hodgkin's lymphoma-derived cell lines.
|Frazzi R,Casali B,Iori M,Nicoli D,Mammi C,Merli F||International journal of oncology (38:677)||2011|
p53 represses androgen-induced transactivation of prostate-specific antigen by disrupting hAR amino- to carboxyl-terminal interaction.
13-4000 was used in western blot to investigate the relationship between androgen receptor and p53.
|Shenk JL,Fisher CJ,Chen SY,Zhou XF,Tillman K,Shemshedini L||The Journal of biological chemistry (276:38472)||2001|
Antigen NY-CO-13; Cellular tumor antigen p53; mutant tumor protein 53; p53 tumor suppressor; Phosphoprotein p53; TP53; transformation-related protein 53; tumor protein 53; Tumor suppressor p53; tumor supressor p53
BCC7; LFS1; P53; TP53; TRP53