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Key Documents

SAB4200852

Sigma-Aldrich

Anti-p53 antibody, Mouse monoclonal

clone BP53-12, purified from hybridoma cell culture

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Forme d'anticorps

purified from hybridoma cell culture

Niveau de qualité

Type de produit anticorps

primary antibodies

Clone

BP53-12, monoclonal

Espèces réactives

human

Concentration

~1 mg/mL

Technique(s)

immunoblotting: 0.06-0.125 μg/mL using human epidermoid carcinoma A431 cell line whole extract
immunofluorescence: 0.25-0.5 μg/mL using human A431cells

Isotype

IgG2a

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... TP53(7157)

Description générale

The p53 protein was first identified in a complex with the simian virus 40 (SV40) large T-antigen.4-5 p53 is classified as a key tumor suppressor and is the most commonly mutated gene in human cancers; it is mutated in over 50% of all human cancers.6 Due to its central role in the DNA damage response (DDR), p53 is often referred to as the “guardian of the genome” and is suggested to be the most studied human gene of all time.7-8 p53 mutations are frequent in breast, lung, colon, ovarian, brain, testicular and bladder cancers, melanoma, neurofibrosarcoma and certain types of leukemia1-8.

Spécificité

Monoclonal Anti-p53 antibody specifically recognizes a denaturation-resistant epitope on the primate p53 nuclear protein and does not react with other cellular proteins."

Application

The antibody may be used in various immunochemical techniques including Immunoblotting (~53 kDa), Immunofluorescence, Immunoprecipitation1, Immunohistochemistry2 and ChIP3.

Actions biochimiques/physiologiques

The human wild-type p53 protein is a 393 amino acid nuclear phosphoprotein present in the nucleus of all normal mammalian cells where it appears to be involved in the regulation of cell proliferation. The normal protein has a very short half-life and is present in only minute amounts in normal tissues and cells. In contrast, mutant p53 protein produced by malignant cells is usually a product of a point mutation in the p53 gene leading to substitution of a single amino acid that significantly prolongs the half-life of the protein. The accumulation of high levels of p53 is a potential novelmarker for malignancy.

Forme physique

Supplied as a solution in 0.01 M phosphate buffered saline pH 7.4, containing 15 mM sodium azide as a preservative.Antibody Concentration: ∼ 1.0 mg/mL

Stockage et stabilité

For continuous use, store at 2-8°C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

Clause de non-responsabilité

Unless otherwise stated in our catalog  our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

The most popular genes in the human genome.
Elie Dolgin
Nature, 551(7681), 427-431 (2017-11-24)
p53 at a glance.
Colleen A Brady et al.
Journal of cell science, 123(Pt 15), 2527-2532 (2010-10-14)
J Bártek et al.
Oncogene, 6(9), 1699-1703 (1991-09-01)
Accumulation of the p53 protein was analysed in 212 human malignant lesions. Immunohistochemical staining with new polyclonal (CM-1) and monoclonal antibodies (BP 53-12 and BP53-24) to p53 on methacarn-fixed paraffin sections showed positive staining in 161 (76%). The positive tumours
Meng Wu et al.
Oncology letters, 15(4), 5175-5180 (2018-03-20)
TAp73 and p53 are involved in regulating tumor angiogenesis and vasohibin-1 (VASH1) is an anti-angiogenic factor. Whether TAp73 regulates angiogenesis positively or negatively is controversial. The status of P53 may determine the effect of TAp73 on angiogenesis. To the best

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