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p53 pS15 ELISA试剂盒SimpleStep Antigen NY-CO-13 Cellular tumor antigen p53 LFS1 p53 tumor suppressor P53_HUMAN Phosphoprotein p53 Tp53 Transformation related protein 53 TRP53 Tumor protein p53 Tumor suppressor p53

产品信息
    • 产品名称p53 pS15 ELISA试剂盒SimpleStep
    • 检测方法Colorimetric
    • 精确度
      批次内
      样品 n Mean SD CV%
      U2OS 6     = 3.5%
       
    • 样品类型
      Cell culture extracts, Cell Lysate
    • 检测类型Sandwich
    • 灵敏度
      1 µg/ml
    • 检测时间
      2h 00m
    • 实验步骤One step assay
    • 种属反应性
      与反应: Mouse, Human
    • 产品概述

      Abcam’s p53 (pS15) in vitro SimpleStep ELISA® (Enzyme-Linked Immunosorbent Assay) kit (ab205712) is designed for the semi-quantitative measurement of p53 (pS15) protein in Human and mouse cells.

      p53 (also known as protein 53 or tumor suppressor protein 53), is a transcription factor that plays a major role in regulating the cellular response to DNA damage and other replicative stresses. p53 becomes phosphorylated in response to several types of cellular stress, including DNA damage, oxidative stress and osmotic shock.

       ?

      An alternative fluorescent substrate, ADHP, can be used with this assay. Please see ab205810 ADHP HRP Substrate Kit for more information. A microplate reader capable of measuring fluorescence is required if using this product.

    • 说明

      The SimpleStep ELISA® employs an affinity tag labeled capture antibody and a reporter conjugated detector antibody which immunocapture the sample analyte in solution. This entire complex (capture antibody/analyte/detector antibody) is in turn immobilized via immunoaffinity of an anti-tag antibody coating the well. To perform the assay, samples or standards are added to the wells, followed by the antibody mix. After incubation, the wells are washed to remove unbound material. TMB substrate is added and during incubation is catalyzed by HRP, generating blue coloration. This reaction is then stopped by addition of Stop Solution completing any color change from blue to yellow. Signal is generated proportionally to the amount of bound analyte and the intensity is measured at 450 nm. Optionally, instead of the endpoint reading, development of TMB can be recorded kinetically at 600 nm.

    • 平台Pre-coated microplate (12 x 8 well strips)

    性能

    • 存放说明Store at +4°C. Please refer to protocols.
    • 组件 1 x 96 tests
      10X Wash Buffer PT 1 x 15ml
      50X Cell Extraction Enhancer Solution 1 x 1ml
      5X Cell Extraction Buffer PTR (ab193970) 1 x 10ml
      Lyophilized p53 Control Lysate 1 vial
      p53 (pS15) Capture Antibody 1 x 3ml
      p53 (pS15) Detector Antibody 1 x 3ml
      Plate Seal 1 unit
      SimpleStep Pre-Coated 96 Well Microplate 1 x 96 tests
      Stop Solution 1 x 12ml
      TMB Substrate 1 x 12ml
    • 研究领域
      • Cell Biology
      •  
      • Cell Cycle
      •  
      • Cell Cycle Inhibitors
      •  
      • p53
      • Cell Biology
      •  
      • Apoptosis
      •  
      • Intracellular
      •  
      • p53 Pathway
      • Microbiology
      •  
      • Interspecies Interaction
      •  
      • Host Virus Interaction
      • Epigenetics and Nuclear Signaling
      •  
      • Cell cycle
      •  
      • Cell Cycle Inhibitors
      •  
      • p53
      • Epigenetics and Nuclear Signaling
      •  
      • Transcription
      •  
      • Transcription Factors
      • Cell Biology
      •  
      • Cell Cycle
      •  
      • Cell Division
      •  
      • Other cell division antibodies
      • Cancer
      •  
      • Cell cycle
      •  
      • Cell division
      • Cancer
      •  
      • Oncoproteins/suppressors
      •  
      • Tumor suppressors
      •  
      • p53 pathway
      • Cancer
      •  
      • Invasion/microenvironment
      •  
      • Apoptosis
      •  
      • Other
      • Kits/ Lysates/ Other
      •  
      • Kits
      •  
      • ELISA Kits
      •  
      • ELISA Kits
      • Phosphoprotein ELISA kits
      • Cancer
      •  
      • Cell Death
      •  
      • Apoptosis
      •  
      • Other
    • 功能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. Implicated in Notch signaling cross-over. 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.
    • 组织特异性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 is expressed in most normal tissues but is not detected in lung, spleen, testis, fetal brain, spinal cord and fetal liver. Isoform 7 is expressed in most normal tissues but is not detected in prostate, uterus, skeletal muscle and breast. Isoform 8 is detected only in colon, bone marrow, testis, fetal brain and intestine. Isoform 9 is expressed in most normal tissues but is not detected in brain, heart, lung, fetal liver, salivary gland, breast or intestine.
    • 疾病相关Note=TP53 is found in increased amounts in a wide variety of transformed cells. TP53 is frequently mutated or inactivated in about 60% of cancers. TP53 defects are found in Barrett metaplasia a condition in which the normally stratified squamous epithelium of the lower esophagus is replaced by a metaplastic columnar epithelium. The condition develops as a complication in approximately 10% of patients with chronic gastroesophageal reflux disease and predisposes to the development of esophageal adenocarcinoma.
      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.
    • 序列相似性Belongs to the p53 family.
    • 结构域The nuclear export signal acts as a transcriptional repression domain. The TADI and TADII motifs (residues 17 to 25 and 48 to 56) correspond both to 9aaTAD motifs which are transactivation domains present in a large number of yeast and animal transcription factors.
    • 翻译后修饰Acetylated. 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.
    • 细胞定位Cytoplasm; Cytoplasm. Nucleus. Nucleus > PML body. Endoplasmic reticulum. Interaction with BANP promotes nuclear localization. Recruited into PML bodies together with CHEK2; Nucleus. Cytoplasm. Localized in both nucleus and cytoplasm in most cells. In some cells, forms foci in the nucleus that are different from nucleoli; Nucleus. Cytoplasm. Localized in the nucleus in most cells but found in the cytoplasm in some cells; Nucleus. Cytoplasm. Localized mainly in the nucleus with minor staining in the cytoplasm; Nucleus. Cytoplasm. Predominantly nuclear but localizes to the cytoplasm when expressed with isoform 4 and Nucleus. Cytoplasm. Predominantly nuclear but translocates to the cytoplasm following cell stress.
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