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Purified Mouse Anti-Human p53
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Purified Mouse Anti-Human p53
Anti-human p53. Formalin-fixed, paraffin-embedded tissue section of breast carcinoma stained for p53 (clone PAb 1801, Cat. No. 554169) using a DAB chromogen and Hematoxylin counterstain.
Anti-human p53. Formalin-fixed, paraffin-embedded tissue section of breast carcinoma stained for p53 (clone PAb 1801, Cat. No. 554169) using a DAB chromogen and Hematoxylin counterstain.
Product Details
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BD Pharmingen™
Human (QC Testing)
Mouse IgG1
Recombinant fusion protein
Western blot (Routinely Tested), Immunofluorescence, Immunohistochemistry-frozen, Immunohistochemistry-paraffin, Immunoprecipitation (Tested During Development)
53 kDa
0.5 mg/ml
Aqueous buffered solution containing ≤0.09% sodium azide.

Preparation And Storage

Store undiluted at 4°C. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.

Recommended Assay Procedures

Applications include western blot analysis (1-2 µg/ml), immunoprecipitation (1-2 µg/1 x 10^6 cells), immunofluorescence microscopy of cultured cells, immunohistochemistry of frozen (5-20 µg/ml), and antigen-unmasked paraffin-embedded tissue sections (5-20 µg/ml). Positive control cell lines include SK-BR-3 human breast carcinoma cells (ATCC HTB-30), and A431 human vulval carcinoma cells (ATCC CRL-1555). COS-7 SV40 transformed monkey kidney cells (ATCC CRL-1651) or another SV40-transformed cell line are also useful as positive controls for detecting p53. MCF-7 human breast carcinoma cells (ATCC HTB-22) are suggested as a negative control. Positive immunostaining is seen in a high proportion of breast and colon carcinomas. p53 staining is not typically detected in normal skin, brain, kidney, lung, stomach or breast tissue.

Product Notices

  1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
  2. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
  3. Please refer to for technical protocols.
554169 Rev. 10
Antibody Details
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PAb 1801

The gene for the nuclear phosphoprotein p53 is the most commonly mutated gene yet identified in human cancers. Missense mutations occur in tumors of the colon, lung, breast, ovary, bladder and several other organs. The mutant p53 is over-expressed in a variety of transformed cells and it forms specific complexes with several viral oncogenes including SV40 large T, E1B from adenovirus and E6 from human papilloma virus. Recent data suggest that wild type p53 plays a role as a checkpoint protein for DNA damage during the S-phase of the cell cycle. However, it is still unclear whether point mutated forms of p53 are simple null mutants and/or dominant negatively acting proteins. p53 migrates at a reduced molecular weight of 53 kDa. Clone PAb 1801 recognizes an epitope between amino acids 32-79 in the N-terminal domain of human wild type and mutant p53 antibody. It does not cross-react with p53 from other species. A truncated  recombinant human p53 fusion protein was used as immunogen.

554169 Rev. 10
Format Details
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Tissue culture supernatant is purified by either protein A/G or affinity purification methods. Both methods yield antibody in solution that is free of most other soluble proteins, lipids, etc. This format provides pure antibody that is suitable for a number of downstream applications including: secondary labeling for flow cytometry or microscopy, ELISA, Western blot, etc.
554169 Rev.10
Citations & References
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Development References (9)

  1. Baker SJ, Markowitz S, Fearon ER, Willson JK, Vogelstein B. Suppression of human colorectal carcinoma cell growth by wild-type p53. Science. 1990; 249(4971):912-915. (Clone-specific: Immunofluorescence). View Reference
  2. Banks L, Matlashewski G, Crawford L. Isolation of human-p53-specific monoclonal antibodies and their use in the studies of human p53 expression. Eur J Biochem. 1986; 159(3):529-534. (Immunogen: Immunoprecipitation, Western blot). View Reference
  3. Jacquemier J, Moles JP, Penault-Llorca F, et al. p53 immunohistochemical analysis in breast cancer with four monoclonal antibodies: comparison of staining and PCR-SSCP results. Br J Cancer. 1994; 69(5):846-852. (Clone-specific: Immunohistochemistry). View Reference
  4. Legros Y, Lacabanne V, d'Agay MF, Larsen CJ, Pla M, Soussi T. Production of human p53 specific monoclonal antibodies and their use in immunohistochemical studies of tumor cells. Bull Cancer. 1993; 80(2):102-110. (Clone-specific: Western blot). View Reference
  5. Porter PL, Gown AM, Kramp SG, Coltrera MD. Widespread p53 overexpression in human malignant tumors. An immunohistochemical study using methacarn-fixed, embedded tissue. Am J Pathol. 1992; 140(1):145-153. (Clone-specific: Immunohistochemistry). View Reference
  6. Said JW, Barrera R, Shintaku IP, Nakamura H, Koeffler HP. Immunohistochemical analysis of p53 expression in malignant lymphomas. Am J Pathol. 1992; 141(6):1343-1348. (Clone-specific: Immunohistochemistry). View Reference
  7. Vogelstein B. Cancer. A deadly inheritance. Nature. 1990; 348(6303):681-682. (Biology). View Reference
  8. Vojtesek B, Bartek J, Midgley CA, Lane DP. An immunochemical analysis of the human nuclear phosphoprotein p53. New monoclonal antibodies and epitope mapping using recombinant p53. J Immunol Methods. 1992; 151(1-2):237-244. (Clone-specific: Immunofluorescence, Immunohistochemistry, Immunoprecipitation, Western blot). View Reference
  9. Walker RA, Dearing SJ, Lane DP, Varley JM. Expression of p53 protein in infiltrating and in-situ breast carcinomas. J Pathol. 1991; 165(3):203-211. (Clone-specific: Immunohistochemistry). View Reference
View All (9) View Less
554169 Rev. 10

Please refer to Support Documents for Quality Certificates

Global - Refer to manufacturer's instructions for use and related User Manuals and Technical data sheets before using this products as described

Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims.  Comparisons are not made against non-BD technologies, unless otherwise noted.

For Research Use Only. Not for use in diagnostic or therapeutic procedures.