EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free

Novus Biologicals | Catalog # NBP2-47876

Novus Biologicals
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Key Product Details

Species Reactivity

Human, Mouse (Negative), Rat (Negative)

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot, Flow Cytometry, Immunofluorescence, Immunocytochemistry/ Immunofluorescence, CyTOF-ready

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 kappa Clone # EGP40/826

Format

Azide and BSA Free
View all EpCAM/TROP1 Primary Antibodies »

Product Specifications

Immunogen

A synthetic peptide (around aa 20-60) from the N-terminus of human TACSTD1 protein.

Localization

Cell surface

Marker

Epithelial Marker

Specificity

Recognizes a 40-43kDa transmembrane epithelial glycoprotein, identified as epithelial specific antigen (ESA), or epithelial cellular adhesion molecule (Ep-CAM). Ep-CAM is expressed on baso-lateral cell surface in most simple epithelia and a vast majority of carcinomas. This antibody has been used to distinguish adenocarcinoma from pleural mesothelioma and hepatocellular carcinoma. It is also useful in distinguishing serous carcinomas of the ovary from mesothelioma. This epithelial antigen plays an important role as a tumor-cell marker in lymph nodes from patients with esophageal carcinoma otherwise classified as node-negative. Epithelial antigen has also been suggested as a discriminator between basal cell and baso-squamous carcinomas, and squamous cell carcinoma of the skin.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 kappa

Theoretical MW

41 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Scientific Data Images for EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free

Western Blot: EpCAM/TROP1 Antibody (EGP40/826)Azide and BSA Free [NBP2-47876]

Western Blot: EpCAM/TROP1 Antibody (EGP40/826)Azide and BSA Free [NBP2-47876]

Western Blot: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876] - SDS-Page: EpCAM/TROP1 Antibody (EGP40/826) [NBP2-44643]. Image using the standard format of this product.
Immunocytochemistry/ Immunofluorescence: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876]

Immunocytochemistry/ Immunofluorescence: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876]

Immunocytochemistry/Immunofluorescence: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876] - Confocal Immunofluorescent analysis of SK-OV-3 cells using AF488-labeled Isotype Control Monoclonal Antibody (IgG1) (Green). DAPI was used to stain the cell nuclei (blue). (Negative Control). Image using the standard format of this product.
Immunohistochemistry: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876]

Immunohistochemistry: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876]

Immunohistochemistry: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876] - Human Breast Carcinoma stained with Ep-CAM Monoclonal Antibody (EGP40/826). Image using the standard format of this product.
Immunocytochemistry/ Immunofluorescence: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876]

Immunocytochemistry/ Immunofluorescence: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876]

Immunocytochemistry/Immunofluorescence: EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free [NBP2-47876] - Confocal Immunofluorescent analysis of SK-OV-3 cells using AF488-labeled EpCAM Monoclonal Antibody (EGP40/826) (Green). F-actin filaments were labeled with DyLight 554 Phalloidin (red). DAPI was used to stain the cell nuclei (blue). Image using the standard format of this product.

Applications for EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free

Application
Recommended Usage

Flow Cytometry

0.5 - 1 ug/million cells in 0.1 ml

Immunofluorescence

1 - 2 ug/ml

Immunohistochemistry-Paraffin

0.5 - 1.0 ug/ml

Western Blot

0.5 - 1.0 ug/ml
Application Notes
Hu-chromosome location: 2q21. Molecular weight of antigen: 40-43kDa. Immunohistochemistry-Paraffin: 0.5 - 1 ug/ml for 30 minutes at RT; Staining of formalin-fixed tissues requires boiling tissue sections in 10mM Citrate Buffer, pH 6.0, for 10 - 20 min followed by cooling at RT for 20 minutes.

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

PBS

Format

Azide and BSA Free

Preservative

No Preservative

Concentration

1.0 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

Background: EpCAM/TROP1

Epithelial cell adhesion molecule (EpCAM), also known as TROP1 and CD326, is a type I transmembrane glycoprotein that plays a role in a number of cellular processes including adhesion, signaling, maintaining stemness, proliferation, migration, and invasion (1,2). The human EpCAM protein is 314 amino acids (aa) in length with a theoretical molecular weight (MW) of ~35 kDa (1,3,4). The EpCAM protein includes a signal peptide, an extracellular N-terminal domain, a thyroglobulin type-1 domain, a carboxyl-terminal domain, a single-pass transmembrane domain, and an intracellular domain (1,3). The protein is highly conserved and has approximately 81% aa sequence identity between human and mouse (5). Trophoblast cell-surface antigen 2 (TROP2) also shares ~67% aa sequence similarity with EpCAM (1,5). While both EpCAM and TROP2 are cell surface markers expressed in the epithelium, their expression levels typically do not correlate (5). EpCAM is expressed in normal epithelial tissue and elevated expression is observed in many epithelial carcinomas (1-3) Patient tumor samples with increased EpCAM expression have been associated with poor prognosis (1). Given EpCAM's elevated expression in tumors, it has become a potential target for cancer therapy approaches, including monoclonal antibody treatment and anti-EpCAM trispecific antibodies (1,5).

EpCAM functions as an intracellular signaling molecule and contributes to regulation of epithelial-to-mesenchymal (EMT) transition (4,5). EpCAM is cleaved during the process of regulated intramembrane proteolysis (RIP) (4,5). Initial cleavage occurs at the membrane via a disintegrin and metalloprotease 17 (ADAM17) which releases EpCAM's extracellular domain (EpEx) (4,5). A secondary cleavage is mediated by presenilin 2 (PSEN2) which releases EpCAM's cytoplasmic trail (EpICD) (4,5). EpICD translocates to the nucleus where it associates with beta-catenin, FHL-2, and LEF-1 and induces transcription of genes related to EMT and tumor growth (4,5). EpCAM has also been shown to regulate structure and functionality of the apical junction complex of cells through direct interaction with claudin-7 and association with E-cadherin (2,5). Loss of EpCAM disrupts adherins junction and tight junction structure and function (2).

References

1. Mohtar MA, Syafruddin SE, Nasir SN, Low TY. Revisiting the Roles of Pro-Metastatic EpCAM in Cancer. Biomolecules. 2020; 10(2):255. https://doi.org/10.3390/biom10020255

2. Huang L, Yang Y, Yang F, et al. Functions of EpCAM in physiological processes and diseases (Review). Int J Mol Med. 2018; 42(4):1771-1785. https://doi.org/10.3892/ijmm.2018.3764

3. Brown TC, Sankpal NV, Gillanders WE. Functional Implications of the Dynamic Regulation of EpCAM during Epithelial-to-Mesenchymal Transition. Biomolecules. 2021; 11(7):956. https://doi.org/10.3390/biom11070956

4. Uniprot (P16422)

5. Schnell U, Cirulli V, Giepmans BN. EpCAM: structure and function in health and disease. Biochim Biophys Acta. 2013; 1828(8):1989-2001. https://doi.org/10.1016/j.bbamem.2013.04.018

Long Name

Epithelial Cell Adhesion Molecule

Alternate Names

17-1A, CD326, GA733-2, gp40, KS1/4, M4S1, TACSTD1, TROP1

Gene Symbol

EPCAM

Additional EpCAM/TROP1 Products

Product Documents for EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free

Certificate of Analysis

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Product Specific Notices for EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free

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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Protocols

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FAQs for EpCAM/TROP1 Antibody (EGP40/826) - Azide and BSA Free

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  • Q: I'm looking for EpCAM antibody for rat. Do you have any antibody which can use FACS?

    A: We unfortunately do not have any EpCAM antibodies validated in FACS for detection of the rat protein. I am sorry for any inconvenience. I do have three products to EpCAM that can detect the rat protein. These products have been validated to detect the native rat protein, so they may work for FACS however they have not yet been tested in that particular application. If you would like to try them in your experiment you would qualify for our Innovator's Reward Program. This program was designed to help scientists with the cost of their antibodies in return for valuable information. If you decide to test an antibody in a previously untested species or application we will issue you a credit for the purchase price of the antibody in exchange for a review of your experiment using our product.

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