p53 Antibody



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p53 Antibody Summary

TP53 - tumor protein p53 (Li-Fraumeni syndrome)
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Packaging, Storage & Formulations

Aliquot and store at -20C or -80C. Avoid freeze-thaw cycles.
Whole antisera with 50% Glycerol
No Preservative


Application Notes
The quality control of this antibody is limited to Western blot on the immunizing protein. It has also been used for ELISA. Abnova's recommended working dilutions for western analysis are as follows: 1:500 dilution for ascites 1:1000 for purified Ig 1:500

Reactivity Notes

Human. Other species not tested.


This product is produced by and distributed for Abnova, a company based in Taiwan.


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.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Blogs on p53. Showing 1-10 of 14 blog posts - Show all blog posts.

MAPK8/JNK1 - A multifunctional kinase and drug target for cancer therapeutics
The c-Jun N-terminal kinase (JNK) family is a group of regulatory kinases with important functions in cell morphogenesis, inflammation, differentiation, and cell death (1). Aberrant activation of JNK family proteins in cancers has led to interest i...  Read full blog post.

p53 - Investigating an important tumor suppressor
p53 is a tumor suppressor that has a central role in regulating cell cycle arrest, DNA repair, and apoptosis. p53 is widely studied for its role in cancer and is mutated or altered in more than half of all cancers (1). This widespread role in tumor...  Read full blog post.

ATM - detecting and responding to DNA damage
Ataxia telangiectasia mutated (ATM) is essential for the maintenance of genomic stability. ATM is a 370 kDa serine-threonine kinase that is constitutively expressed in various tissues. Although primarily nuclear, ATM is also found at lower levels...  Read full blog post.

NOXA - a BH3-only protein balancing cell death decisions
Noxa is a BH3-only protein involved in regulating cell death decisions. Noxa is a primary p53-response gene and is upregulated in response to p53 overexpression or DNA damage. Noxa can also be induced by alternative mechanisms including through a ...  Read full blog post.

p73: An Important Tumor Suppressor Cousin of p53
p73 has been identified as a long-lost cousin of the p53 tumor suppressor protein. It has high homology with both p53 and with p63, a gene implicated in the maintenance of epithelial stem cells. The presence of significant homology between the DNA-bin...  Read full blog post.

PRMT6: One Function, Many Roles
Protein arginine methylation is a prevalent posttranslational modification in eukaryotic cells. It regulates RNA processing, trafficking and nascent pre-RNA metabolism, receptor-mediated signal transduction, and transcriptional activation processes. P...  Read full blog post.

Nanog is a Master Controller of ES cell Pluripotency
Nanog, a homeodomain (HD) transcription factor, plays a critical role in the maintenance of embryonic stem (ES) cell self-renewal. Transcription regulator involved in inner cell mass and ES cell proliferation and self-renewal. Imposes pluripotency on...  Read full blog post.

p14 ARF is an Important Tumor Suppressor
The p14ARF (Alternative Reading Frame) tumor suppressor is a protein product of the alternative reading frame (ARF) of the human INK4a locus which regulates a series of cell cycle regulatory proteins to promote cell cycle arrest in response to abnorma...  Read full blog post.

No Monkey Business: APE1 is a Critical DNA Repair Enzyme
APE1 (aka. HAP1, /Ref-1 or APEX) the mammalian ortholog of Escherichia coli Xth is a multifunctional protein possessing both DNA repair and transcriptional regulatory activity. APE1 acts essentially as master regulator of controlling cellular response...  Read full blog post.

Beclin 1: Regulator of Autophagy and Apoptosis
Beclin 1 is the mammalian orthologue of the yeast Apg6/Vps30 gene. Beclin 1 can complement the defect in autophagy present in apg6 yeast strains and stimulate autophagy when overexpressed in mammalian cells (1) and can bind to Bcl2, an important regul...  Read full blog post.

Showing 1-10 of 14 blog posts - Show all blog posts.

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Product PDFs


Gene Symbol TP53

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