Product Name :
Mouse anti Human Muc1

Description :
| Clone VU-4H5 | Isotype IgG1 | Product Type Monoclonal Antibody | Units 100 µg | Host Mouse | Species Reactivity Human | Application ELISA Immunohistochemistry (frozen & paraffin) Western Blotting

Background :
Hybridoma produced by the fusion of splenocytes from BALB/c mice immunized with a Muc1 60mer tandem repeat NH2-(VTSAPDTRPAPGSTAPPAHG)3-COOH and mouse myeloma SP2 cells.

Source :
Muc1 is a heavily O-glycosylated transmembrane protein expressed on most secretory epithelium, including mammary gland and some hematopoietic cells. It is expressed abundantly in lactating mammary glands and overexpressed in >90% breast carcinomas and metastases. In normal mammary gland it is expressed in apical surface of glandular epithelium. In breast cancer Muc1 is overexpressed; is underglycosylated and the apical localization is lost. Muc1 is transcribed as a larger precursor which is cleaved to form a larger mucin like subunit (265-400kDa) and a smaller subunit (14-28kDa) noncovalently associated with each other. Transgenic Muc1 has been shown to associate with all four erbB receptors and localize with erbB1 (EGFR) in lactating glands1. Muc1 can act as a ligand for ICAM-1 on HUVEC cells; it can bind -catenin, GSK3 and it associates with Grb2-SOS upon phosphorylation. Synonyms: Episialin <

Product :
Provided as solution in phosphate buffered saline with 0.08% sodium azide Product Form: Unconjugated Purification Method: Protein A/G Chromatography Concentration: See vial for concentration

Specificity :

Applications :
Antibody can be used for immunohistochemistry on frozen and paraffin embedded tissues, ELISA and Western blotting. Optimal concentration should be evaluated by serial dilutions. Antibody can only detect Muc1 if the threonine residue of the PDTRPAP of the tandem repeat region is non-glycosylated4. Functional Analysis: Western Blotting Positive Control: MCF-7 and T47D cells

Storage :
Product should be stored at -20°C. Aliquot to avoid freeze/thaw cycles Product Stability: See expiration date on vial Shipping Conditions: Ship at ambient temperature, freeze upon arrival

Caution :
This product is intended FOR RESEARCH USE ONLY, and FOR TESTS IN VITRO, not for use in diagnostic or therapeutic procedures involving humans or animals. It may contain hazardous ingredients. Please refer to the Safety Data Sheets (SDS) for additional information and proper handling procedures. Dispose product remainders according to local regulations.This datasheet is as accurate as reasonably achievable, but our company accepts no liability for any inaccuracies or omissions in this information.

References :
1. Mommers E C, et al. ‘Abberant expression of MUC1 mucin in ductal hyperplasia and ductal carcinoma In situ of the breast.’ Int J Cancer 1999: 84:466-469. 2. Schol, D.J. et al., Epitope fingerprinting using overlapping 20-mer peptides of the MUC 1 tandem repeat sequence. Tumor Biol. Suppl. 1998: 19, 35-45. 3. Ryuko K et al. ‘Characterization of a new MUC1 monoclonal antibody (VU-2-G7) directed to the glycosylated PDTR sequence of MUC1.’ Tumor Biology 2000: 21, 197-210. 4. ten Berge, R.L., et al. ‘MUC1 (EMA) is preferentially expressed by ALK positive anaplastic large cell lymphoma, in the normally glycosylated or only partly hypoglycosylated form.’ J. Clin. Pathol. 2001, 54, 933-939. 5. Treon, S.P., et al. ‘Muc-1 Core Protein Is Expressed on Multiple Myeloma Cells and Is Induced by Dexamethasone.’ Blood 1999, 93, 1287-1298.

Antibodies are immunoglobulins secreted by effector lymphoid B cells into the bloodstream. Antibodies consist of two light peptide chains and two heavy peptide chains that are linked to each other by disulfide bonds to form a “Y” shaped structure. Both tips of the “Y” structure contain binding sites for a specific antigen. Antibodies are commonly used in medical research, pharmacological research, laboratory research, and health and epidemiological research. They play an important role in hot research areas such as targeted drug development, in vitro diagnostic assays, characterization of signaling pathways, detection of protein expression levels, and identification of candidate biomarkers.
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