MUC1 Antibody (SM3) - BSA Free

Novus Biologicals | Catalog # NB120-22711

Novus Biologicals
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Key Product Details

Species Reactivity

Validated:

Human, Mouse

Cited:

Human, Mouse

Applications

Validated:

Immunohistochemistry, Immunohistochemistry-Paraffin, Immunohistochemistry-Frozen, ELISA, Flow Cytometry, Immunocytochemistry/ Immunofluorescence

Cited:

Immunohistochemistry, ELISA, Flow Cytometry, IF/IHC

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2a Kappa Clone # SM3

Format

BSA Free
View all MUC-1 Primary Antibodies »

Product Specifications

Immunogen

Hydrogen fluoride deglycosylated milk mucin.

Reactivity Notes

Mouse reactivity reported in scientific literature (PMID: 1372533) No record of testing in other species.

Localization

Cell Membrane and Cytoplasmic

Specificity

Reacts very little with normal tissue. Found to react with breast, colon and ovarian carcinomas and adenocarcinoma. SM3 recognizes the under-glycosylated form of MUC1 and is therefore tumor specific.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2a Kappa

Scientific Data Images for MUC1 Antibody (SM3) - BSA Free

Immunocytochemistry/ Immunofluorescence: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunocytochemistry/ Immunofluorescence: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunocytochemistry/Immunofluorescence: MUC-1 Antibody (SM3) [NB120-22711] - MCF7 cells were fixed for 10 minutes using 10% formalin and then permeabilized for 5 minutes using 1X PBS + 0.05% Triton-X100. The cells were incubated with anti-MUC1 [SM3] at 5 ug/ml overnight at 4C and detected with an anti-mouse IgG Dylight 488 (Green) at a 1:500 dilution. Nuclei were counterstained with DAPI (Blue). Cells were imaged using a 40X objective.
Immunohistochemistry-Paraffin: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunohistochemistry-Paraffin: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunohistochemistry-Paraffin: MUC-1 Antibody (SM3) [NB120-22711] - IHC analysis of formalin fixed paraffin embedded tissue section of human breast cancer xenograft using MUC-1 antibody clone SM3 at 1:10 dilution. The xenograft section depicted a very specific and intense signal in the periphery of the cancer cells. The necrotic cells also developed a strong immune-positivity while the tumor stroma as well as the nuclei of cells were negative for immunostaining.
Flow Cytometry: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Flow Cytometry: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Flow Cytometry: MUC1 Antibody (SM3) - BSA Free [NB120-22711] - An intracellular stain was performed on MCF7 cells with MUC1 Antibody (SM3) NB120-22711AF700 (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA and then permeabilized with 0.1% saponin. Cells were incubated in an antibody dilution of 5 ug/mL for 30 minutes at room temperature. Both antibodies were conjugated to Alexa Fluor 700.
Immunocytochemistry/ Immunofluorescence: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunocytochemistry/ Immunofluorescence: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunocytochemistry/Immunofluorescence: MUC-1 Antibody (SM3) [NB120-22711] - MUC-1 antibody was tested in MCF7 cells at 10 ug/ml using a Dylight 488 conjugated secondary antibody (Green). Actin (Red) and DNA (Blue) were counterstained using Phalloidin 568 and DAPI.
Immunohistochemistry-Paraffin: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunohistochemistry-Paraffin: MUC1 Antibody (SM3) - BSA Free [NB120-22711]

Immunohistochemistry-Paraffin: MUC-1 Antibody (SM3) [NB120-22711] - IHC analysis of formalin fixed paraffin embedded tissue section of human breast cancer xenograft using MUC-1 antibody clone SM3 at 1:10 dilution. The xenograft section depicted a very specific and intense signal in the periphery of the cancer cells. The necrotic cells also developed a strong diffused immune-positivity while the tumor stroma as well as the nuclei of cells were negative for immunostaining.

Applications for MUC1 Antibody (SM3) - BSA Free

Application
Recommended Usage

ELISA

reported in multiple pieces of scientific literature

Flow Cytometry

reported in multiple pieces of scientific literature

Immunocytochemistry/ Immunofluorescence

1-5 ug/ml

Immunohistochemistry

1:10-1:500

Immunohistochemistry-Frozen

1:10-1:500

Immunohistochemistry-Paraffin

1:10-1:500
Application Notes
IHC-Fr and IHC-P: Use at an assay dependent dilution.

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein G purified

Formulation

PBS

Format

BSA Free

Preservative

0.02% Sodium Azide

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: MUC-1

Mucin 1 (MUC1), also known as episialin, EMA (epithelial membrane antigen), PEM (polymorphic epithelial mucin), and CA-15-3 antigen, is a membrane-bound type I transmembrane glycoprotein (1,2). MUC1 is typically expressed in the luminal or glandular epithelial cells of the gastrointestinal tract, breast, lungs, and more, and is often overexpressed in epithelial cancers, but also serves a protective role against infection and helps regulate inflammatory response (2,3). Human MUC1 is 1255 amino acids (aa) in length with a theoretical molecular weight of 122 kDa; however, depending on the amount of glycosylation can weigh between 250 - 500 kDa (2,4). Structurally, MUC1 consists of a N-terminal domain which contains a signal peptide, a variable number tandem repeat region (VNTR), and a SEA domain, as well a C-terminal domain which has the extracellular domain (ECD), transmembrane domain (TMD), and cytoplasmic tail (CT) (2,3). The VNTR is comprised of between 25 - 125 repeats of a 20 aa conserved sequence (3). MUC1 is heavily O-glycosylated in the VNTR and has moderate N-glycosylation sites following the VNTR and in the ECD (2). Glycosylation contributes to MUC1's functional properties (2). The MUC1 gene contains seven exons, giving rise to several MUC1 isoforms as a result of alternative splicing (2).

Overexpression of mucins, including MUC1, is a feature of many epithelial cancers (1,3,5,6). The presence of truncated glycan structures called tumor-associated carbohydrate antigens (TACAs) on MUC1 play a role in cancer progression and a loss of apical-basal polarity (5). Carbohydrate-binding partners called lectins are the primary binding partners of TACAs that give rise to the pro-tumor microenvironment and metastasis (5). Given this unique feature, TACAs are a potential target for cancer immunotherapies (5). There are a number of vaccines, drugs, and antibodies targeting MUC1 for treatment of a variety of cancers including breast, lung, and prostate (6). In addition to a role in cancer progression, MUC1, and specifically the CT portion, has been shown to have a positive, anti-inflammatory role in a variety of lung and airway infections (7).

References

1. Khodabakhsh, F., Merikhian, P., Eisavand, M. R., & Farahmand, L. (2021). Crosstalk between MUC1 and VEGF in angiogenesis and metastasis: a review highlighting roles of the MUC1 with an emphasis on metastatic and angiogenic signaling. Cancer cell international. https://doi.org/10.1186/s12935-021-01899-8

2. Nath, S., & Mukherjee, P. (2014). MUC1: a multifaceted oncoprotein with a key role in cancer progression. Trends in molecular medicine. https://doi.org/10.1016/j.molmed.2014.02.007

3. Dhar, P., & McAuley, J. (2019). The Role of the Cell Surface Mucin MUC1 as a Barrier to Infection and Regulator of Inflammation. Frontiers in cellular and infection microbiology. https://doi.org/10.3389/fcimb.2019.00117

4. Uniprot (P15941)

5. Beckwith, D. M., & Cudic, M. (2020). Tumor-associated O-glycans of MUC1: Carriers of the glyco-code and targets for cancer vaccine design. Seminars in immunology. https://doi.org/10.1016/j.smim.2020.101389

6. Almasmoum H. (2021). The Roles of Transmembrane Mucins Located on Chromosome 7q22.1 in Colorectal Cancer. Cancer management and research. https://doi.org/10.2147/CMAR.S299089

7. Ballester, B., Milara, J., & Cortijo, J. (2021). The role of mucin 1 in respiratory diseases. European respiratory review : an official journal of the European Respiratory Society. https://doi.org/10.1183/16000617.0149-2020

Long Name

Mucin 1, Cell Surface-associated

Alternate Names

CD227, Episialin, H23AG, KL-6, Mucin-1, PEM, PEMT

Entrez Gene IDs

4582 (Human)

Gene Symbol

MUC1

UniProt

P15941

Additional MUC-1 Products

Product Documents for MUC1 Antibody (SM3) - BSA Free

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

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Product Specific Notices for MUC1 Antibody (SM3) - 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.

Citations for MUC1 Antibody (SM3) - BSA Free

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Protocols

View specific protocols for MUC1 Antibody (SM3) - BSA Free (NB120-22711):

Immunocytochemistry Protocol

Culture cells to appropriate density in 35 mm culture dishes or 6-well plates.

1. Remove culture medium and wash the cells briefly in PBS. Add 10% formalin to the dish and fix at room temperature for 10 minutes.
2. Remove the formalin and wash the cells in PBS.
3. Permeablize the cells with 0.1% Triton X100 or other suitable detergent for 10 min.
4. Remove the permeablization buffer and wash three times for 10 minutes each in PBS. Be sure to not let the specimen dry out.
5. To block nonspecific antibody binding, incubate in 10% normal goat serum from 1 hour to overnight at room temperature.
6. Add primary antibody at appropriate dilution and incubate overnight at 4C.
7. Remove primary antibody and replace with PBS. Wash three times for 10 minutes each.
8. Add secondary antibody at appropriate dilution. Incubate for 1 hour at room temperature.
9. Remove secondary antibody and replace with PBS. Wash three times for 10 minutes each.
10. Counter stain DNA with DAPi if required.

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

FAQs for MUC1 Antibody (SM3) - BSA Free

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  • Q: I would like to perform a sandwich assay for the determination of MUC1 protein. May you suggest me some antibodies that can be used together? In particular, if possible, I should need antibodies product in mouse or rabbit.

    A:

    Unfortunately we are not aware of a pair of antibodies that have been used in sandwich ELISA in particular. If you are interested in trying two you may find our Innovators Reward Program to be helpful.

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