Recombinant
RabMAb

Recombinant Anti-TROP2 antibody [EPR20043] (ab214488)

Overview

  • Product name

    Anti-TROP2 antibody [EPR20043]
    See all TROP2 primary antibodies
  • Description

    Rabbit monoclonal [EPR20043] to TROP2
  • Host species

    Rabbit
  • Tested applications

    Suitable for: WB, Flow Cyt, ICC/IF, IHC-Pmore details
  • Species reactivity

    Reacts with: Human
  • Immunogen

    Synthetic peptide within Human TROP2 aa 300 to the C-terminus. The exact sequence is proprietary.
    Database link: P09758

  • Positive control

    • WB: HCT 116, PC-3 and MCF7 whole cell lysates; human breast cancer, skin, placenta and prostate cancer lysates. IHC-P: Human skin, breast and cervix cancer tissues; mouse and rat skin tissues. ICC/IF: MCF7 and HCT 116 cells. Flow Cyt: MCF7 cells.
  • 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

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle.
  • Storage buffer

    Preservative: 0.01% Sodium azide
    Constituents: 59% PBS, 40% Glycerol, 0.05% BSA
  • Concentration information loading...
  • Purity

    Protein A purified
  • Clonality

    Monoclonal
  • Clone number

    EPR20043
  • Isotype

    IgG
  • Research areas

Applications

Our Abpromise guarantee covers the use of ab214488 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 1/2000. Detects a band of approximately 37-50 kDa (predicted molecular weight: 36 kDa).
Flow Cyt 1/60.

ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.

ICC/IF 1/100.
IHC-P 1/500. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

ab214488 is recommended for mouse and rat in IHC

Target

  • Function

    May function as a growth factor receptor.
  • Tissue specificity

    Placenta, pancreatic carcinoma cell lines.
  • Involvement in disease

    Defects in TACSTD2 are the cause of gelatinous drop-like corneal dystrophy (GDLD) [MIM:204870]; also known as lattice corneal dystrophy type III. GDLD is an autosomal recessive disorder characterized by grayish corneal amyloid deposits that cause severe visual impairment.
  • Sequence similarities

    Belongs to the EPCAM family.
    Contains 1 thyroglobulin type-1 domain.
  • Post-translational
    modifications

    The N-terminus is blocked.
  • Cellular localization

    Membrane.
  • Information by UniProt
  • Database links

  • Alternative names

    • Cell surface glycoprotein Trop 2 antibody
    • Cell surface glycoprotein Trop-2 antibody
    • Cell surface glycoprotein Trop2 antibody
    • Epithelial glycoprotein 1 antibody
    • GA733 1 antibody
    • GA7331 antibody
    • M1S 1 antibody
    • M1S1 antibody
    • Membrane component chromosome 1 surface marker 1 antibody
    • Pancreatic carcinoma marker protein GA733 1 antibody
    • Pancreatic carcinoma marker protein GA733-1 antibody
    • Pancreatic carcinoma marker protein GA7331 antibody
    • TACD 2 antibody
    • TACD2_HUMAN antibody
    • TACSTD 2 antibody
    • Tacstd2 antibody
    • Trop 2 antibody
    • Trop2 antibody
    • Tumor associated calcium signal transducer 2 precursor antibody
    • Tumor-associated calcium signal transducer 2 antibody
    see all

Images

  • Flow cytometric analysis of 4% paraformaldehyde-fixed MCF7 (Human breast adenocarcinoma cell line) cells labeling TROP2 with ab214488 at 1/60 dilution (red) compared with aRabbit IgG, monoclonal [EPR25A] - Isotype Control (ab172730; black) and an unlabelled control (cells without incubation with primary antibody and secondary antibody; blue). Goat anti rabbit IgG (Alexa Fluor® 488) at 1/2000 dilution was used as the secondary antibody.

  • Immunohistochemical analysis of paraffin-embedded human cervix cancer tissue labeling TROP2 with ab214488 at 1/2000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Membrane staining on the tumor cells of human cervix cancer is observed.

    Counter stained with Hematoxylin.

    Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

  • Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized MCF7 (Human breast adenocarcinoma cell line) cells labeling TROP2 with ab214488 at 1/100 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green).

    Confocal image showing membrane and weakly cytoplasmic staining on MCF7 cell line.

    The nuclear counterstain is DAPI (blue).

    Tubulin is detected with Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) (ab195889) at 1/200 dilution (red).

    Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) at 1/1000 dilution.

    Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

  • All lanes : Anti-TROP2 antibody [EPR20043] (ab214488) at 1/2000 dilution

    Lane 1 : HCT 116 (Human colorectal carcinoma cell line) whole cell lysate
    Lane 2 : PC-3 (Human prostate adenocarcinoma cell line) whole cell lysate
    Lane 3 : MCF7 (Human breast adenocarcinoma cell line) whole cell lysate

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/100000 dilution

    Predicted band size: 36 kDa
    Observed band size: 37-50 kDa
    why is the actual band size different from the predicted?



    Blocking/Dilution buffer: 5% NFDM/TBST.

    Exposure time: Lane 1/3: 2 seconds;  Lane 2: 1 minute.

    TROP2 is highly glycosylated and appears as band around 37-50kDa.The molecular weight observed is consistent with what has been described in the literature (PMID: 23070813)

  • Immunohistochemical analysis of paraffin-embedded human breast tissue labeling TROP2 with ab214488 at 1/2000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Membrane staining on the duct epithelium of human breast is observed.

    Counter stained with Hematoxylin.

    Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

  • Lanes 1-3 : Anti-TROP2 antibody [EPR20043] (ab214488) at 1/2000 dilution
    Lane 4 : Anti-TROP2 antibody [EPR20043] (ab214488) at 1/5000 dilution

    Lane 1 : Human breast cancer lysate
    Lane 2 : Human skin lysate
    Lane 3 : Human placenta lysate
    Lane 4 : Human prostate cancer lysate

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG Peroxidase Conjugate, specific to the non-reduced form of IgG at 1/10000 dilution

    Predicted band size: 36 kDa
    Observed band size: 37-50 kDa why is the actual band size different from the predicted?



    Blocking/Dilution buffer: 5% NFDM/TBST.

    Exposure time: Lane 1/3: 3 seconds;  Lane 2: 5 seconds; Lane 4: 15 seconds.

  • Immunohistochemical analysis of paraffin-embedded human skin tissue labeling TROP2 with ab214488 at 1/2000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Membrane staining on the squamous epithelium of human skin is observed.

    Counter stained with Hematoxylin.

    Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

  • Immunohistochemical analysis of paraffin-embedded mouse skin tissue labeling TROP2 with ab214488 at 1/2000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Membrane staining on the squamous epithelium of mouse skin is observed.

    Counter stained with Hematoxylin.

    Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) at 1/500 dilution.

    Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

  • Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized HCT 116 (Human colorectal carcinoma cell line) cells labeling TROP2 with ab214488 at 1/100 dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077) secondary antibody at 1/1000 dilution (green).

    Confocal image showing membrane staining on HCT 116 cell line.

    The nuclear counterstain is DAPI (blue).

    Tubulin is detected with Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) (ab195889)  at 1/200 dilution (red).

    Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG (Alexa Fluor® 488) (ab150077) at 1/1000 dilution.

References

This product has been referenced in:

  • Hou J  et al. TROP2 promotes the proliferation and metastasis of glioblastoma cells by activating the JAK2/STAT3 signaling pathway. Oncol Rep 41:753-764 (2019). Read more (PubMed: 30431125) »
See 1 Publication for this product

Customer reviews and Q&As

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1-3 of 3 Abreviews

Application
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
Sample
Dog Tissue sections (skin)
Antigen retrieval step
Heat mediated - Buffer/Enzyme Used: Tris/EDTA pH 9.0
Permeabilization
No
Specification
skin
Blocking step
Serum as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 15% · Temperature: RT°C
Fixative
10% NBF

Abcam user community

Verified customer

Submitted Jan 31 2018

Application
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
Sample
Mouse Tissue sections (skin)
Antigen retrieval step
Heat mediated - Buffer/Enzyme Used: Tris/EDTA pH 9.0
Permeabilization
No
Specification
skin
Blocking step
Serum as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 15% · Temperature: RT°C
Fixative
10% NBF

Abcam user community

Verified customer

Submitted Jan 31 2018

Application
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)
Sample
Human Tissue sections (skin)
Antigen retrieval step
Heat mediated - Buffer/Enzyme Used: Tris/EDTA pH 9.0
Permeabilization
No
Specification
skin
Blocking step
Serum as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 15% · Temperature: RT°C
Fixative
10% NBF

Abcam user community

Verified customer

Submitted Jan 31 2018

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