p53 Acetyl K373 Human ELISA Kit (ab133986)
- Product namep53 Acetyl K373 Human ELISA KitSee all p53 kits ...
Intra-assay Sample n Mean SD CV% Overall 3 5.6%
- Tests1 x 96 well plate
- Sample typeCell culture extracts, Tissue Extracts
- Assay typeSandwich
- Sensitivity13 µg/ml
Sample specific recovery Sample type Average % Range Cell culture extracts 15µg/ml - 1000µg/ml
- Species reactivityReacts with: Human
- Product overview
p53 (TP53 gene) acts as a tumor suppressor in many tumor types and induces growth arrest or apoptosis depending on the physiological circumstances and cell type. p53 is 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. p53 mediated apoptosis induction seems to be by stimulation of BAX and FAS antigen expression, or by repression of Bcl-2 expression. p53 is also implicated in Notch signaling cross-over.
ab133986 p53 Acetyl K373 Human ELISA (Enzyme-Linked Immunosorbent Assay) kit is an in vitro enzyme-linked immunosorbent assay for the accurate quantitative measurement of acetylated Lysine373 of p53 protein in human cell and tissue lysates. The assay employs a p53 protein specific antibody coated into well plate strips. Samples are pipetted into the wells and p53 present in the sample is bound to the wells by the immobilized antibody. The wells are washed and an anti-p53 Acetyl Lysine373 detector antibody is added. After washing away unbound detector antibody, HRP-conjugated label specific for the detector antibody is pipetted into the wells. The wells are again washed, a TMB substrate solution is added to the wells and blue color develops in proportion to the amount of acetylated Lysine373 of bound p53. The reaction is stopped by adding hydrochloric acid which changes the color from blue to yellow and the color intensity is measured at 450 nm.
- Tested applicationsSandwich ELISA more details
- Storage instructionsStore at +4°C. Please refer to protocols.
Components 1 x 96 tests 10X Blocking Buffer 1 x 8ml 10X Buffer 1 x 6ml 10X HRP Label 1 x 1ml ab62376 - 10X p53 Acetyl K373 Detector Antibody 1 x 700µl 10X Wash Buffer 1 x 40ml Extraction Buffer 1 x 15ml p53-coated Microplate 1 unit Stop Solution 1 x 12ml TMB Development Solution 1 x 12ml
Defects in TP53 are a cause of esophageal cancer (ESCR) [MIM:133239].
Defects in TP53 are a cause of Li-Fraumeni syndrome (LFS) [MIM:151623]. LFS is an autosomal dominant familial cancer syndrome that in its classic form is defined by the existence of a proband affected by a sarcoma before 45 years with a first degree relative affected by any tumor before 45 years and another first degree relative with any tumor before 45 years or a sarcoma at any age. Other clinical definitions for LFS have been proposed (PubMed:8118819 and PubMed:8718514) and called Li-Fraumeni like syndrome (LFL). In these families affected relatives develop a diverse set of malignancies at unusually early ages. Four types of cancers account for 80% of tumors occurring in TP53 germline mutation carriers: breast cancers, soft tissue and bone sarcomas, brain tumors (astrocytomas) and adrenocortical carcinomas. Less frequent tumors include choroid plexus carcinoma or papilloma before the age of 15, rhabdomyosarcoma before the age of 5, leukemia, Wilms tumor, malignant phyllodes tumor, colorectal and gastric cancers.
Defects in TP53 are involved in head and neck squamous cell carcinomas (HNSCC) [MIM:275355]; also known as squamous cell carcinoma of the head and neck.
Defects in TP53 are a cause of lung cancer (LNCR) [MIM:211980].
Defects in TP53 are a cause of choroid plexus papilloma (CPLPA) [MIM:260500]. Choroid plexus papilloma is a slow-growing benign tumor of the choroid plexus that often invades the leptomeninges. In children it is usually in a lateral ventricle but in adults it is more often in the fourth ventricle. Hydrocephalus is common, either from obstruction or from tumor secretion of cerebrospinal fluid. If it undergoes malignant transformation it is called a choroid plexus carcinoma. Primary choroid plexus tumors are rare and usually occur in early childhood.
Defects in TP53 are a cause of adrenocortical carcinoma (ADCC) [MIM:202300]. ADCC is a rare childhood tumor of the adrenal cortex. It occurs with increased frequency in patients with the Beckwith-Wiedemann syndrome and is a component tumor in Li-Fraumeni syndrome.
modificationsAcetylated. Acetylation of Lys-382 by CREBBP enhances transcriptional activity. Deacetylation of Lys-382 by SIRT1 impairs its ability to induce proapoptotic program and modulate cell senescence.
Phosphorylation on Ser residues mediates transcriptional activation. Phosphorylated by HIPK1 (By similarity). Phosphorylation at Ser-9 by HIPK4 increases repression activity on BIRC5 promoter. Phosphorylated on Thr-18 by VRK1. Phosphorylated on Ser-20 by CHEK2 in response to DNA damage, which prevents ubiquitination by MDM2. Phosphorylated on Thr-55 by TAF1, which promotes MDM2-mediated degradation. Phosphorylated on Ser-46 by HIPK2 upon UV irradiation. Phosphorylation on Ser-46 is required for acetylation by CREBBP. Phosphorylated on Ser-392 following UV but not gamma irradiation. Phosphorylated upon DNA damage, probably by ATM or ATR. Phosphorylated on Ser-15 upon ultraviolet irradiation; which is enhanced by interaction with BANP.
Dephosphorylated by PP2A-PPP2R5C holoenzyme at Thr-55. SV40 small T antigen inhibits the dephosphorylation by the AC form of PP2A.
May be O-glycosylated in the C-terminal basic region. Studied in EB-1 cell line.
Ubiquitinated by MDM2 and SYVN1, which leads to proteasomal degradation. Ubiquitinated by RFWD3, which works in cooperation with MDM2 and may catalyze the formation of short polyubiquitin chains on p53/TP53 that are not targeted to the proteasome. Ubiquitinated by MKRN1 at Lys-291 and Lys-292, which leads to proteasomal degradation. Deubiquitinated by USP10, leading to its stabilization. Ubiquitinated by TRIM24, which leads to proteasomal degradation. Ubiquitination by TOPORS induces degradation. Deubiquitination by USP7, leading to stabilization. Isoform 4 is monoubiquitinated in an MDM2-independent manner.
Monomethylated at Lys-372 by SETD7, leading to stabilization and increased transcriptional activation. Monomethylated at Lys-370 by SMYD2, leading to decreased DNA-binding activity and subsequent transcriptional regulation activity. Lys-372 monomethylation prevents interaction with SMYD2 and subsequent monomethylation at Lys-370. Dimethylated at Lys-373 by EHMT1 and EHMT2. Monomethylated at Lys-382 by SETD8, promoting interaction with L3MBTL1 and leading to repress transcriptional activity. Demethylation of dimethylated Lys-370 by KDM1A prevents interaction with TP53BP1 and represses TP53-mediated transcriptional activation.
Sumoylated by SUMO1.
- Antigen NY-CO-13BCC7Cellular tumor antigen p53
- LFS1p53p53 tumor suppressorP53_HUMANPhosphoprotein p53Tp53Transformation related protein 53TRP53Tumor suppressor p53
Our Abpromise guarantee covers the use of ab133986 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
p53 Acetyl K373 Human ELISA Kit images
Example of serially titrated positive control sample. A dilution series of extract in Incubation Buffer in the working range of the assay. The extract was prepared from MCF7 cells treated with camptothecin and trichostatin A (TCA).
The p53 Acetyl K373 ELISA specifically measures the acetylated Lysine373. MCF7 cells were treated with histone deacetylase inhibitor trichostatin A (TCA), sirtuin 1 inhibitor Ex527, NAD+-dependent deacetylase inhibitor nicotinamide (Nico), or drugs’ vehicle (Veh) in the presence of camptothecin (campto, in red) or drug’s vehicle (DMSO, in green). Acetyl Lysine373 and total p53 protein levels were determined, respectively, using this kit and the p53 Human ELISA Kit (ab117995). Dilutions of extract of MCF7 cells treated with camptothecin and TCA were used to construct the standard curves.
The detector antibody used in this kit specifically detects the acetylated p53 as determined by western blotting. MCF7 cells (20 µg/lane) were treated with drugs’ vehicle (DMSO, lane 2), trichostatin A (lane 3), Ex527 (lane 4), nicotinamide (lane 5), camptothecin (lane 6), trichostatin A and camptothecin (lane 7), Ex527 and camptothecin (lane 8), nicotinamide and camptothecin (lane 9). Cell extracts (20 µg/ lane) were analyzed by western blotting using the p53 Acetyl K373 Detector Antibody (A), the p53 capture antibody of this kit to detect total p53 protein (B) and IRDye labeled secondary antibodies. The overlay of the green signal of p53 Acetyl K373 Detector Antibody with the red signal p53 capture antibody is in shown in C.
References for p53 Acetyl K373 Human ELISA Kit (ab133986)
ab133986 has not yet been referenced specifically in any publications.