p53 Antibody / TP53

SKU: orb2643874

Description

Recognizes a 53kDa protein, which is identified as p53 suppressor gene product. It reacts with the mutant as well as the wild form of p53. Its epitope maps within the N-terminus (aa 20-25) of p53. Monoclonal antibody PAb1801 does not block the binding of DO-7 MAb to p53 in an ELISA test. p53 is a tumor suppressor gene expressed in a wide variety of tissue types and is involved in regulating cell growth, replication, and apoptosis. It binds to MDM2, SV40 T antigen and human papilloma virus E6 protein. Positive nuclear staining with p53 antibody has been reported to be a negative prognostic factor in breast carcinoma, lung carcinoma, colorectal, and urothelial carcinoma. Anti-p53 positivity has also been used to differentiate uterine serous carcinoma from endometrioid carcinoma as well as to detect intratubular germ cell neoplasia. Mutations involving p53 are found in a wide variety of malignant tumors, including breast, ovarian, bladder, colon, lung, and melanoma.

Images & Validation

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Item 1 of 4

Tested Applications	FACS, IF, IHC-P, WB
Dilution Range	Flow cytometry: 1-2ug/10^6 cells in 0.1ml,Immunofluorescence: 1-2ug/ml,Western blot: 1-2ug/ml,Immunohistochemistry (FFPE): 0.25-0.5ug/ml
Reactivity	Human
Application Notes	Optimal dilution of the p53 antibody should be determined by the researcher.

Key Properties

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Antibody Type	Primary Antibody
Host	Mouse
Clonality	Monoclonal
Isotype	Mouse IgG2a, kappa
Clone No.	DO-1
Immunogen	Recombinant human wild type p53 protein expressed in E. coli was used as the immunogen for the p53 antibody.
Purification	Protein G affinity chromatography
Conjugation	Unconjugated

Storage & Handling

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Storage	Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
Buffer/Preservatives	1 mg/ml in 1X PBS; rAlbumin free, sodium azide free
Expiration Date	12 months from date of receipt.
Disclaimer	For research use only

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Western blot testing of human HeLa cell lysate with p53 antibody (DO-1). Expected molecular weight ~53 kDa.

IHC staining of FFPE human colon carcinoma with p53 antibody (clone DO-1). HIER: boil tissue sections in pH9 10mM Tris with 1mM EDTA for 10-20 min and allow to cool before testing.

Analysis of HuProt (TM) microarray containing more than 19000 full-length human proteins using p53 antibody (clone DO-1). These results demonstrate the foremost specificity of the DO-1 mAb. Z- and S- score: The Z-score represents the strength of a signal that an antibody (in combination with a fluorescently-tagged anti-IgG secondary Ab) produces when binding to a particular protein on the HuProt (TM) array. Z-scores are described in units of standard deviations (SD's) above the mean value of all signals generated on that array. If the targets on the HuProt (TM) are arranged in descending order of the Z-score, the S-score is the difference (also in units of SD's) between the Z-scores. The S-score therefore represents the relative target specificity of an Ab to its intended target.

SDS-PAGE analysis of purified, BSA-free p53 antibody (clone DO-1) as confirmation of integrity and purity.

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UniProt

P04637

UniProt Details

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No UniProt data available

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Protocol Information

Western Blot (IB, immunoblot)

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IHC-P

Immunohistochemistry Paraffin

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FACS

Fluorescence-Activated Cell Sorting (FC, Flow cytometry)

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Immunofluorescence

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