Human p53/tumor protein,p53/TP53 ELISA Kit

Code CSB-E08334h
See More Details
Product Type ELISA Kit
Size 96T,5×96T,10×96T
Uniprot No. P04637
Lead Time 3-5 working days
Abbreviation TP53
Protein Biological Process 1 Apoptosis/Autophagy
Target Name tumor protein p53
Alias FLJ92943, LFS1, TRP53, p53, p53 antigen|p53 transformation suppressor|p53 tumor suppressor|phosphoprotein p53|transformation-related protein 53
Species Homo sapiens (Human)
Protein Biological Process 3 Apoptosis
Sample Types serum, cell culture supernates, urine, cerebrospinal fluid (CSF), tissue homogenates, cell lysates
Detection Range 9.38 pg/mL-600 pg/mL
Sensitivity 2.34 pg/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Cancer
Protocol
Protocol may be improved. Please feel free to contact CUSABIO product specialist to obtain the latest version.
Assay Principle quantitative
Measurement Sandwich
Target Details 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 it s 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.
HGNC 17637
RGD 1310294
MGI 1929938
Precision
Intra-assay Precision (Precision within an assay): CV%<8%      
Three samples of known concentration were tested twenty times on one plate to assess.  
Inter-assay Precision (Precision between assays): CV%<10%      
Three samples of known concentration were tested in twenty assays to assess.    
             
Linearity
To assess the linearity of the assay, samples were spiked with high concentrations of human p53/TP53 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
  Sample Serum(n=4)  
1:1 Average % 95  
Range % 80-110  
1:2 Average % 97  
Range % 91-105  
1:4 Average % 97  
Range % 92-105  
1:8 Average % 91  
Range % 86-98  
Recovery
The recovery of human p53/TP53 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample Type Average % Recovery Range  
Serum (n=5) 100 89-110  
             
             
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/ml OD1 OD2 Average Corrected  
600 2.623 2.676 2.650 2.520  
300 2.213 2.286 2.250 2.120  
150 1.678 1.698 1.688 1.558  
75 1.059 1.089 1.074 0.944  
37.5 0.648 0.689 0.669 0.539  
18.7 0.441 0.480 0.461 0.331  
9.38 0.298 0.300 0.299 0.169  
0 0.133 0.127 0.130    
References
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Function 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. Regulates the circadian clock by repressing CLOCK-ARNTL/BMAL1-mediated transcriptional activation of PER2
Involvement in disease Esophageal cancer (ESCR); Li-Fraumeni syndrome (LFS); Squamous cell carcinoma of the head and neck (HNSCC); Lung cancer (LNCR); Papilloma of choroid plexus (CPP); Adrenocortical carcinoma (ADCC); Basal cell carcinoma 7 (BCC7)
Subcellular Location Cytoplasm, Nucleus, Nucleus, PML body, Endoplasmic reticulum, Mitochondrion matrix, Note=Interaction with BANP promotes nuclear localization, Recruited into PML bodies together with CHEK2, Translocates to mitochondria upon oxidative stress, Translocates to mitochondria in response to mitomycin C treatment (PubMed:27323408), SUBCELLULAR LOCATION: Isoform 1: Nucleus, Cytoplasm, Note=Predominantly nuclear but localizes to the cytoplasm when expressed with isoform 4, SUBCELLULAR LOCATION: Isoform 2: Nucleus, Cytoplasm, Note=Localized mainly in the nucleus with minor staining in the cytoplasm, SUBCELLULAR LOCATION: Isoform 3: Nucleus, Cytoplasm, Note=Localized in the nucleus in most cells but found in the cytoplasm in some cells, SUBCELLULAR LOCATION: Isoform 4: Nucleus, Cytoplasm, Note=Predominantly nuclear but translocates to the cytoplasm following cell stress, SUBCELLULAR LOCATION: Isoform 7: Nucleus, Cytoplasm, Note=Localized mainly in the nucleus with minor staining in the cytoplasm, SUBCELLULAR LOCATION: Isoform 8: Nucleus, Cytoplasm
Protein Families P53 family
Tissue Specificity Ubiquitous. Isoforms are expressed in a wide range of normal tissues but in a tissue-dependent manner. Isoform 2 is expressed in most normal tissues but is not detected in brain, lung, prostate, muscle, fetal brain, spinal cord and fetal liver. Isoform 3
Database Links

HGNC: 11998

OMIM: 133239

KEGG: hsa:7157

STRING: 9606.ENSP00000269305

UniGene: Hs.437460

Pathway MAPK signaling pathway
p53 signaling pathway
PI3K-Akt signaling pathway
Wnt signaling pathway
Apoptosis
Cell cycle
Cellular senescence
Cell ageing and metabolism
Sphingolipid signaling pathway
Neurotrophin signaling pathway

Q&A and Customer Reviews

Q&A
Q:

I wondered if Product cat.no.CSB-E08334h can be used to detect mutant p53 or not?

A:
Thanks for your inquiry. As long as the recognition site is not affected,it can be detected out with this kit.However, we are not clear about the specific recognition site of this kit, so we suggest you do pre-testing and confirm it.
Q:

I want to know whether this kit can detect both wild and mutant types of P53 protein or not.

A:
Thanks for your inquiry.
It is ok to use this kit to test wild P53, but sprry we are not so sure if it can be used to test mutant types of P53.If you want to test it,we suggest you do pre-testing first before your formal assay.
Customer Reviews

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