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Recombinant p40 (deltaNp63) (Squamous, Basal & Myoepithelial Cell Marker) Antibody [rTP40/3690]

In Stock
Catalog Number Formulation Size Price
8626-MSM10-B1
Purified Ab conjugated to Biotin
0.5ml at 100ug/ml
$519.00
Flat Rate Domestic: $75 | Orders outside the US - Contact Us for Order Information | Ships next business day
p40 Antibody in Flow Cytometry (FC)

p40 Antibody in Flow Cytometry (FC)

Flow Cytometric Analysis of PFA-fixed HeLa cells using p40 Recombinant Mouse Monoclonal Antibody (rTP40/3690) followed by goat anti-mouse IgG-CF488 (blue); isotype control (red).

Formalin-fixed, paraffin-embedded human prostate stained with Biotinylated p40 Recombinant Mouse Monoclonal Antibody (rTP40/3690).

Formalin-fixed, paraffin-embedded human prostate stained with Biotinylated p40 Recombinant Mouse Monoclonal Antibody (rTP40/3690).

Applications & Dilutions

Applications Tested Dillution Protocol Note
Flow Cytometry (Flow)
1-2ug/million cells
Flow Cytometry Protocol
Immunofluorescence (IF)
1-3ug/ml
Immunohistochemistry (IHC)
1-2ug/ml
IHC Protocol
30 min at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes

Summary

p63 consists of two major isoforms-TAp63 and delta-Np63. These isoforms differ in the structure of the N-terminal domains. The TAp63 isoform (identified by anti-p63 antibody) contains a transactivation-competent TA domain with homology to p53, which regulates the expression of the growth-inhibitory genes. In contrast, DNp63 isoform (identified by anti-p40 antibody) contains an alternative transcriptionally-inactive delta-N domain, which antagonizes the activity of TAp63 and p53. P40/3980R recognizes exclusively delta-Np63 but not TAp63. p40 is a squamous cell carcinoma specific antibody. It reacts with the vast majority of cases of squamous cell carcinomas of various origins, but not with adenocarcinomas. It is particularly useful in differentiating lung squamous cell carcinoma from lung poorly differentiated adenocarcinoma. p40 antibody can also be used as an alternative basal cell/myoepithelial cell marker, which has similar sensitivity and specificity as that of p63 antibody. Therefore, p40 antibody may also be used as an alternative immunohistochemical marker for determining prostate adenocarcinoma vs. benign prostate glands and for determining breast intraductal carcinoma vs. invasive breast ductal carcinoma.

Product Properties & Targets

Antibody Type
Mouse Monoclonals, Recombinant Mouse Monoclonals
Host
Mouse
Applications
Flow Cytometry, Immunofluorescence, Immunohistochemistry
Species Reactivity
Human
Research Areas
Basal Cell Marker, Nuclear Marker, Stem Cell Differentiation, Transcription Factors
Isotype / Light Chain
IgG1 /
Cellular Localization
Nucleus
Gene Name
TP63
Positive Control
HeLa cells. Human prostate or lung tissue (IHC).
Immunogen
A synthetic peptide from the N-terminal of human p40 protein (Exact sequence is proprietary)
Alternate Names
Tumor protein 63, Chronic ulcerative stomatitis protein, Keratinocyte transcription factor KET, Transformation-related protein 63, Tumor protein p73-like, p40, p51, deltaNp63, TP63

Database Links

Entrez Gene ID
8626
SwissProt
Q9H3D4

Additional Information

Clone
rTP40/3690
Chromosome Location
3q28
Mol. Weight of Antigen
40kDa

Related Antibodies

View All TP63 Antibodies

Functions

  • Acts as a sequence specific DNA binding transcriptional activator or repressor. The isoforms contain a varying set of transactivation and auto-regulating transactivation inhibiting domains thus showing an isoform specific activity. Isoform 2 activates RIPK4 transcription. May be required in conjunction with TP73/p73 for initiation of p53/TP53 dependent apoptosis in response to genotoxic insults and the presence of activated oncogenes. Involved in Notch signaling by probably inducing JAG1 and JAG2. Plays a role in the regulation of epithelial morphogenesis. The ratio of DeltaN-type and TA*-type isoforms may govern the maintenance of epithelial stem cell compartments and regulate the initiation of epithelial stratification from the undifferentiated embryonal ectoderm. Required for limb formation from the apical ectodermal ridge. Activates transcription of the p21 promoter.

Key References

  • Signoretti S, et al. Am J Pathol. 2000; 157(6):1769-75.
  • Terry J, et al. Am J Surg Pathol. 2010; 34(12):1805-11.

PubMed Links

Storage & Stability

Antibody with azide - store at 2 to 8 °C. Antibody without azide - store at -20 to -80 °C. Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab purified by Protein A Column. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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