The immunogen is a synthetic peptide directed towards the N terminal region of human TP53
Alternative Synonym:
P53, BCC7, LFS1, BMFS5, TRP53
TP53 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. This gene encodes tumor protein p53, which responds to diverse cellular stresses to regulate target genes that induce cell cycle arrest, apoptosis, senescence, DNA repair, or changes in metabolism. p53 protein is expressed at low level in normal cells and at a high level in a variety of transformed cell lines, where its believed to contribute to transformation and malignancy. p53 is a DNA-binding protein containing transcription activation, DNA-binding, and oligomerization domains. It is postulated to bind to a p53-binding site and activate expression of downstream genes that inhibit growth and/or invasion, and thus function as a tumor suppressor. Mutants of p53 that frequently occur in a number of different human cancers fail to bind the consensus DNA binding site, and hence cause the loss of tumor suppressor activity. Alterations of this gene occur not only as somatic mutations in human malignancies, but also as germline mutations in some cancer-prone families with Li-Fraumeni syndrome. Multiple p53 variants due to alternative promoters and multiple alternative splicing have been found. These variants encode distinct isoforms, which can regulate p53 transcriptional activity.
Liquid. Purified antibody supplied in 1x PBS buffer with 0.09% (w/v) sodium azide and 2% sucrose.
Sample type: HeLa cellsAntibody titration: 1 to 1000Gel: 4-15% gradientSecondary: Goat anti-rabbit HRPSecondary dilution: 1 to 5000TP53 is supported by BioGPS gene expression data to be expressed in HeLa
DU145 cells were lysed in IP lysis buffer (20mM HEPES, 1% Triton X-100, 150mM NaCl, 1mMEDTA, 1mM EGTA, 100mM NaF, 10mM Na4P2O7, 1mM Na3VO4, 0.2mM PMSF).Amount of protein per well: 30ugPrimary antibody conditions: 1:2000 in 5% milk/TBST buffer, overnight at 4A,AC.Secondary antibody conditions: 1:5000 in 5% milk/TBST buffer, 1 hour at room temperature.TP53 is strongly supported by BioGPS gene expression data to be expressed in Human DU145 cells
U20S (p53+) cells were treated with 0.5 uM Doxorubicin for 14 hrs to induce DNA damage and hence activate p53. In parallel, PLKO cells (U2OS cells with stable shRNA-mediated knockdown of p53) were treated similarly and were used as negative control. Thedata for p21 promoter were normalised to actin (control for non-specific binding of DNA to the antibodies).
WB Suggested Anti-TP53 Antibody Titration: 0.2-1 ug/mlELISA Titer: 1:1562500Positive Control: 293T.TP53 is strongly supported by BioGPS gene expression data to be expressed in HEK293T
25 ug of the indicated Human whole cell extracts was loaded onto a 12% SDS-PAGE gel. 1 ug/mL of the antibody was used in this experiment. TP53 is expressed as several different isoforms (>10) ranging in size from 24 kDa to ~50 kDa in a cell type specific manner. This immunogen for this antibody is present in several isoforms. 1-3 ug/mL is recommended for this antibody.
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