Overview

  • Product name

    Anti-MUC1 antibody [HMFG1 (aka 1.10.F3)] (Alexa Fluor® 488)
    See all MUC1 primary antibodies
  • Description

    Mouse monoclonal [HMFG1 (aka 1.10.F3)] to MUC1 (Alexa Fluor® 488)
  • Host species

    Mouse
  • Conjugation

    Alexa Fluor® 488. Ex: 495nm, Em: 519nm
  • Tested applications

    Suitable for: ICC/IFmore details
  • Species reactivity

    Reacts with: Human
  • Immunogen

    Other Immunogen Type. (Dilapidated human milk fat globule).

  • Positive control

    • MCF7 cells
  • General notes

    For a more comprehensive guide to this epitope of HMFG1 clone, we recommend the following publications;

    Petrakou E et al. 1998: Epitope Mapping of Anti-MUC1 Mucin Protein Core Monoclonal Antibodies. Tumour Biology.

    Verhoeyen ME et al. 1993: Construction of a reshaped HMFG1 antibody and comparison of its fine specificity with that of the parent mouse antibody. Immunology.

     

    Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company. The Alexa Fluor® dye included in this product is provided under an intellectual property license from Life Technologies Corporation. As this product contains the Alexa Fluor® dye, the purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). As this product contains the Alexa Fluor® dye the sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: in manufacturing; (ii) to provide a service, information, or data in return for payment (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are sold for use in research. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

Properties

Applications

Our Abpromise guarantee covers the use of ab223133 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
ICC/IF 1/100.

This product gave a positive signal in MCF7 cells fixed with 4% formaldehyde (10 min) and 100% methanol (5 min)

Target

  • Function

    The alpha subunit has cell adhesive properties. Can act both as an adhesion and an anti-adhesion protein. May provide a protective layer on epithelial cells against bacterial and enzyme attack.
    The beta subunit contains a C-terminal domain which is involved in cell signaling, through phosphorylations and protein-protein interactions. Modulates signaling in ERK, SRC and NF-kappa-B pathways. In activated T-cells, influences directly or indirectly the Ras/MAPK pathway. Promotes tumor progression. Regulates TP53-mediated transcription and determines cell fate in the genotoxic stress response. Binds, together with KLF4, the PE21 promoter element of TP53 and represses TP53 activity.
  • Tissue specificity

    Expressed on the apical surface of epithelial cells, especially of airway passages, breast and uterus. Also expressed in activated and unactivated T-cells. Overexpressed in epithelial tumors, such as breast or ovarian cancer and also in non-epithelial tumor cells. Isoform Y is expressed in tumor cells only.
  • Involvement in disease

    MUC1/CA 15-3 is used as a serological clinical marker of breast cancer to monitor response to breast cancer treatment and disease recurrence (PubMed:20816948). Decreased levels over time may be indicative of a positive response to treatment. Conversely, increased levels may indicate disease progression. At an early stage disease, only 21% of patients exhibit high MUC1/CA 15-3 levels, that is why CA 15-3 is not a useful screening test. Most antibodies target the highly immunodominant core peptide domain of 20 amino acid (APDTRPAPGSTAPPAHGVTS) tandem repeats. Some antibodies recognize glycosylated epitopes.
    Medullary cystic kidney disease 1
  • Sequence similarities

    Contains 1 SEA domain.
  • Developmental stage

    During fetal development, expressed at low levels in the colonic epithelium from 13 weeks of gestation.
  • Post-translational
    modifications

    Highly glycosylated (N- and O-linked carbohydrates and sialic acid). O-glycosylated to a varying degree on serine and threonine residues within each tandem repeat, ranging from mono- to penta-glycosylation. The average density ranges from about 50% in human milk to over 90% in T47D breast cancer cells. Further sialylation occurs during recycling. Membrane-shed glycoproteins from kidney and breast cancer cells have preferentially sialyated core 1 structures, while secreted forms from the same tissues display mainly core 2 structures. The O-glycosylated content is overlapping in both these tissues with terminal fucose and galactose, 2- and 3-linked galactose, 3- and 3,6-linked GalNAc-ol and 4-linked GlcNAc predominating. Differentially O-glycosylated in breast carcinomas with 3,4-linked GlcNAc. N-glycosylation consists of high-mannose, acidic complex-type and hybrid glycans in the secreted form MUC1/SEC, and neutral complex-type in the transmembrane form, MUC1/TM.
    Proteolytic cleavage in the SEA domain occurs in the endoplasmic reticulum by an autoproteolytic mechanism and requires the full-length SEA domain as well as requiring a Ser, Thr or Cys residue at the P + 1 site. Cleavage at this site also occurs on isoform MUC1/X but not on isoform MUC1/Y. Ectodomain shedding is mediated by ADAM17.
    Dual palmitoylation on cysteine residues in the CQC motif is required for recycling from endosomes back to the plasma membrane.
    Phosphorylated on tyrosines and serine residues in the C-terminal. Phosphorylation on tyrosines in the C-terminal increases the nuclear location of MUC1 and beta-catenin. Phosphorylation by PKC delta induces binding of MUC1 to beta-catenin/CTNNB1 and thus decreases the formation of the beta-catenin/E-cadherin complex. Src-mediated phosphorylation inhibits interaction with GSK3B. Src- and EGFR-mediated phosphorylation on Tyr-1229 increases binding to beta-catenin/CTNNB1. GSK3B-mediated phosphorylation on Ser-1227 decreases this interaction but restores the formation of the beta-cadherin/E-cadherin complex. On T-cell receptor activation, phosphorylated by LCK. PDGFR-mediated phosphorylation increases nuclear colocalization of MUC1CT and CTNNB1.
    The N-terminal sequence has been shown to begin at position 24 or 28.
  • Cellular localization

    Secreted; Cell membrane. Cytoplasm. Nucleus. On EGF and PDGFRB stimulation, transported to the nucleus through interaction with CTNNB1, a process which is stimulated by phosphorylation. On HRG stimulation, colocalizes with JUP/gamma-catenin at the nucleus and Apical cell membrane. Exclusively located in the apical domain of the plasma membrane of highly polarized epithelial cells. After endocytosis, internalized and recycled to the cell membrane. Located to microvilli and to the tips of long filopodial protusions.
  • Information by UniProt
  • Database links

  • Alternative names

    • ADMCKD antibody
    • ADMCKD1 antibody
    • Breast carcinoma associated antigen DF3 antibody
    • Breast carcinoma-associated antigen DF3 antibody
    • CA 15-3 antibody
    • CA15 3 antibody
    • CA15 3 antigen antibody
    • CA15-3 antibody
    • CA15.3 antibody
    • Cancer antigen 15-3 antibody
    • Carcinoma associated mucin antibody
    • Carcinoma-associated mucin antibody
    • CD 227 antibody
    • CD227 antibody
    • DF3 antigen antibody
    • EMA antibody
    • Episialin antibody
    • Epithelial Membrane Antigen antibody
    • H23 antigen antibody
    • H23AG antibody
    • KL 6 antibody
    • KL-6 antibody
    • KL6 antibody
    • Krebs von den Lungen-6 antibody
    • MAM 6 antibody
    • MAM6 antibody
    • MCD antibody
    • MCKD antibody
    • MCKD1 antibody
    • Medullary cystic kidney disease 1 (autosomal dominant) antibody
    • Medullary cystic kidney disease, autosomal dominant antibody
    • MUC 1 antibody
    • MUC-1 antibody
    • MUC-1/SEC antibody
    • MUC-1/X antibody
    • MUC1 antibody
    • MUC1-alpha antibody
    • MUC1-beta antibody
    • MUC1-CT antibody
    • MUC1-NT antibody
    • MUC1/ZD antibody
    • MUC1_HUMAN antibody
    • Mucin 1 antibody
    • Mucin 1 cell surface associated antibody
    • Mucin 1 transmembrane antibody
    • Mucin 1, cell surface associated antibody
    • Mucin-1 subunit beta antibody
    • Peanut reactive urinary mucin antibody
    • Peanut-reactive urinary mucin antibody
    • PEM antibody
    • PEMT antibody
    • Polymorphic epithelial mucin antibody
    • PUM antibody
    • Tumor associated epithelial membrane antigen antibody
    • Tumor associated epithelial mucin antibody
    • Tumor associated mucin antibody
    • Tumor-associated epithelial membrane antigen antibody
    • Tumor-associated mucin antibody
    see all

Images

  • ab223133 staining MUC1 in MCF7 cells. The cells were fixed with 100% methanol (5 min), permeabilized with 0.1% Triton X-100 for 5 minutes and then blocked with 1% BSA/10% normal goat serum/0.3M glycine in 0.1% PBS-Tween for 1h. The cells were then incubated overnight at +4°C with ab223133 at 1/100 dilution (shown in Green) and ab195889, Mouse monoclonal to alpha Tubulin (Alexa Fluor® 594), at 1/250 dilution (shown in red). Nuclear DNA was labelled with DAPI (shown in blue).

    Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

    This product also gave a positive signal under the same testing conditions in MCF7 cells fixed with 4% formaldehyde (10 min).

References

ab223133 has not yet been referenced specifically in any publications.

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