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Immunohistochemistry analysis of P53 [PS392] showing staining in the nucleus and weakly in the cytoplasm of paraffin-embedded human pancreatic 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 [PS392] Rabbit Polyclonal Antibody (44640G) diluted in 3% BSA-PBS at a dilution of 1:20 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, Mouse, Rat|
|Published species reactivity||Mouse|
|Host / Isotype||Rabbit / IgG|
|Immunogen||The antiserum was produced against a chemically synthesized phosphopeptide derived from a region of mouse p53 that contains serine 392. The sequence is conserved in rat.|
|Purification||Antigen affinity chromatography|
|Storage buffer||Dulbecco's PBS, pH 7.3, with 1mg/ml BSA, 50% glycerol|
|Contains||0.05% sodium azide|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||3-5 µg/million cells|
|Immunohistochemistry (Paraffin) (IHC (P))||1:10-1:50|
|Western Blot (WB)||1-3 µg/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.
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.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
||A requirement for CD45 distinguishes Ly49D-mediated cytokine and chemokine production from killing in primary natural killer cells.||Huntington ND,Xu Y,Nutt SL,Tarlinton DM||The Journal of experimental medicine (201:1421)||2005|
|Mouse||Not Cited||A requirement for CD45 distinguishes Ly49D-mediated cytokine and chemokine production from killing in primary natural killer cells.||Huntington ND,Xu Y,Nutt SL,Tarlinton DM||The Journal of experimental medicine (201:1421)||2005|
Antigen NY-CO-13; Cellular tumor antigen p53; mutant p53; mutant tumor protein 53; p53 cellular tumor antigen; p53 tumor suppressor; Phosphoprotein p53; TP53; transformation related protein 53; transformation-related protein 53; tumor protein 53; tumor protein p53 (Li-Fraumeni syndrome); Tumor suppressor p53; tumor supressor p53
bbl; BCC7; bfy; bhy; LFS1; p44; P53; TP53; TRP53