Recombinant
RabMAb

Recombinant Anti-MUC4 antibody [EPR16237] (ab194363)

Overview

  • Product name

    Anti-MUC4 antibody [EPR16237]
    See all MUC4 primary antibodies
  • Description

    Rabbit monoclonal [EPR16237] to MUC4
  • Host species

    Rabbit
  • Tested applications

    Suitable for: WBmore details
  • Species reactivity

    Reacts with: Human
  • Immunogen

    Recombinant fragment within Human MUC4 aa 1550-1700. The exact sequence is proprietary.
    Database link: Q99102

  • Positive control

    • WB: HeLa, MCF7 and SW480 cell lysates.
  • General notes

     

     

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMab® patents.

    This product is a recombinant rabbit monoclonal antibody.

Properties

Applications

Our Abpromise guarantee covers the use of ab194363 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
WB 1/1000 - 1/10000. Detects a band of approximately 120 kDa (predicted molecular weight: 231 kDa).

Target

  • Function

    May play a role in tumor progression. Ability to promote tumor growth may be mainly due to repression of apoptosis as opposed to proliferation. Has anti-adhesive properties. Seems to alter cellular behavior through both anti-adhesive effects on cell-cell and cell-extracellular matrix interactions and in its ability to act as an intramembrane ligand for ERBB2. Plays an important role in cell proliferation and differentiation of epithelial cells by inducing specific phosphorylation of ERBB2. The MUC4-ERBB2 complex causes site-specific phosphorylation of the ERBB2 'Tyr-1248'. In polarized epithelilal cells segragates ERBB2 and other ERBB receptors and prevents ERBB2 from acting as a coreceptor. The interaction with ERBB2 leads to enhanced expression of CDKN1B. The formation of a MUC4-ERBB2-ERBB3-NRG1 complex leads to down-regulation of CDKN1B, resulting in repression of apoptosis and stimulation of proliferation.
  • Tissue specificity

    Expressed in the thymus, thyroid, lung, trachea, esophagus, stomach, small intestine, colon, testis, prostate, ovary, uterus, placenta, and mammary and salivary glands. Expressed in carcinomas arising from some of these epithelia, such as lung cancers, squamous cell carcinomas of the upper aerodigestive tract, mammary carcinomas, biliary tract, colon, and cervix cancers. Minimally or not expressed in the normal pancreas or chronic pancreatitis, but is highly expressed in pancreatic tumors and pancreatic tumor cell lines.
  • Sequence similarities

    Contains 1 AMOP domain.
    Contains 2 EGF-like domains.
    Contains 1 NIDO domain.
    Contains 1 VWFD domain.
  • Developmental stage

    Expressed early in the primitive gut before respiratory and digestive epithelial cells have acquired their tissue and cell specificity. Expressed at the basal surface of the epithelium from week 14 to 26 weeks and then predominantly localized in only parietal cells. Immediately before birth, found in the cytoplasm of the mucous columnar epithelial cells. In the embryo expressed in skin, then disappears late in gestation.
  • Post-translational
    modifications

    Proteolytically cleaved into 2 chains, mucin-4 alpha chain and mucin-4 beta chain.
    mucrnin-4 alpha chain is highly O-glycosylated.
    mucin-4 beta chain is predominantly N-glycosylated.
  • Cellular localization

    Secreted; Cell membrane and Membrane. Secreted. Isoforms lacking the Cys-rich region, EGF-like domains and transmembrane region are secreted. Secretion occurs by splicing or proteolytic processing.
  • Information by UniProt
  • Database links

  • Alternative names

    • Ascites sialoglycoprotein 1 antibody
    • Ascites sialoglycoprotein 2 antibody
    • Ascites sialoglycoprotein antibody
    • ASGP antibody
    • ASGP-1 antibody
    • ASGP-2 antibody
    • HSA276359 antibody
    • MUC 4 antibody
    • MUC-4 antibody
    • Muc4 antibody
    • MUC4_HUMAN antibody
    • Mucin 4 antibody
    • Mucin 4 cell surface associated antibody
    • Mucin 4 tracheobronchial antibody
    • Mucin-4 beta chain antibody
    • Pancreatic adenocarcinoma mucin antibody
    • Testis mucin antibody
    • Tracheobronchial mucin antibody
    • Tracheobronchial mucin Fragment antibody
    see all

Images

  • All lanes : Anti-MUC4 antibody [EPR16237] (ab194363) at 1/10000 dilution

    Lane 1 : HeLa cell lysate
    Lane 2 : MCF7 cell lysate
    Lane 3 : SW480 cell lysate

    Lysates/proteins at 20 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated at 1/1000 dilution

    Predicted band size: 231 kDa



    The 120kDa band may be the isoform of MUC4 or beta chain.

References

ab194363 has not yet been referenced specifically in any publications.

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