Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 Protein

R&D Systems, part of Bio-Techne | Catalog # AFR10332

R&D Systems, part of Bio-Techne
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AFR10332-020
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Key Product Details

Learn more about FluorokinesTM Fluorescent-Labeled Proteins

Source

HEK293

Accession #

Accession # P15941.3

Structure / Form

Labeled with Alexa Fluor® 647


Excitation Wavelength: 650 nm  
Emission Wavelength: 668 nm

Conjugate

Alexa Fluor 647 (Excitation= 650 nm, Emission= 668 nm)

Applications

Bioactivity

View all MUC-1 Proteins and Enzymes »

Product Specifications

Source

Human embryonic kidney cell, HEK293-derived human MUC-1 protein
Human MUC-1
(Ser24-Ser380)
Accession # P15941.3		 IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Ser24

Predicted Molecular Mass

60 kDa

SDS-PAGE

157-192 kDa, under reducing conditions

Activity

Measured by flow cytometry for its ability to bind anti-Human MUC-1 Monoclonal Antibody conjugated beads.The concentration of Recombinant human MUC-1 Chimera Alexa Fluor® 647 (Catalog# AFR10332) that produces 50% of the binding response is 0.5-10 ng/mL

Scientific Data Images for Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 Protein

Flow cytometry analysis for Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 staining on anti-Human MUC-1 Monoclonal Antibody conjugated beads

Streptavidin coated beads conjugated to biotinylated anti-Human MUC-1 Monoclonal Antibody were stained with the indicated concentrations of Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 (Catalog # AFR10332).

Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 Protein SDS-PAGE.

2 μg/lane of Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 Protein (Catalog # AFR10332) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 157-192 kDa and 310-380 kDa, respectively.

Formulation, Preparation and Storage

AFR10332
Formulation Supplied as a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Shipping The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Protect from light. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after opening.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Background: MUC-1

MUC-1 (Mucin-1) is a type 1 transmembrane glycoprotein that is normally expressed on the apical surface of most epithelial cells (1-2). It is known to be overexpressed by various human carcinomas and is shed into circulation (2). The extracellular domain is made up of tandem repeats (TRs) of 20 aa each, with each TR containing five potential O-glycosylation sites (3). The number of TRs vary between 25-100, depending on the allele (3). Within the mature region including 16 TRs (residues 24-380), human MUC-1 shares 30% aa sequence identity with mouse and rat MUC-1. It has been reported that high expression level of MUC-1 generally correlates with increased mortality rates (4). In addition, MUC-1 is aberrantly underglycosylated on cancer cells with short and sialylated O-linked glycans in contrast to the long, branched chain seen in normal epithelial cells (4-7). It has been demonstrated that MUC-1 can interact with E-selectin and ICAM-1 to mediate firm adhesion of circulating tumor cells and subsequent extravasation in the metastatic adhesion cascade (4). Furthermore, MUC-1 can modulate the tumor immunological microenvironment through engagement of Siglec-9 by inducing the recruitment of beta-catenin to the cytoplasmic tail of MUC-1, increasing the expression of PD-L1 by macrophages, and activating the MEK-ERK pathway (5,6). MUC-1 can also interact with Galectin-3 to promote EGFR activation thus regulating EGFR-associated tumorigenesis and cancer progression (7).

References

  1. Rughetti, A. et al. (2005) J. Immunol. 174:7764.
  2. Engelstaedter, V. et al. (2012) BMC Cancer 12:600.
  3. Taylor-Papadimitriou, J. et al. (1999) Biochim. Biophys. Acta 1455:301.
  4. Geng, Y. et al. (2012) Front Oncol. 2:76.
  5. Tanida, S. et al. (2013) J Biol Chem. 288:31842.
  6. Beatson, R. et al. (2016) Nat Immunol. 17:1273.
  7. Piyush, T. et al. (2017) Cell Death Differ. 24:1937.

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

Accession # P15941.3

Additional MUC-1 Products

Product Documents for Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 Protein

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Recombinant Human MUC-1 Fc Chimera Alexa Fluor® 647 Protein

This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

For research use only

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