• Product name

    Anti-Cathepsin B antibody [EPR4323]
    See all Cathepsin B primary antibodies
  • Description

    Rabbit monoclonal [EPR4323] to Cathepsin B
  • Host species

  • Tested applications

    Suitable for: WB, IHC-P, ICC/IFmore details
    Unsuitable for: Flow Cyt or IP
  • Species reactivity

    Reacts with: Human
    Does not react with: Mouse, Rat
  • Immunogen

    Synthetic peptide within Human Cathepsin B aa 1-200. The exact sequence is proprietary.

  • Positive control

    • Human kidney and papillary carcinoma tissues; HeLa cells; HT1080, A375, SW480 and A549 cell line 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.



Our Abpromise guarantee covers the use of ab125067 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. Predicted molecular weight: 38 kDa.
IHC-P 1/50 - 1/100. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
ICC/IF 1/50 - 1/100.
  • Application notes
    Is unsuitable for Flow Cyt or IP.
  • Target

    • Function

      Thiol protease which is believed to participate in intracellular degradation and turnover of proteins. Has also been implicated in tumor invasion and metastasis.
    • Sequence similarities

      Belongs to the peptidase C1 family.
    • Cellular localization

      Lysosome. Melanosome. Identified by mass spectrometry in melanosome fractions from stage I to stage IV.
    • Information by UniProt
    • Database links

    • Alternative names

      • Amyloid precursor protein secretase antibody
      • APP secretase antibody
      • APPS antibody
      • CATB_HUMAN antibody
      • Cathepsin B heavy chain antibody
      • Cathepsin B1 antibody
      • CathepsinB antibody
      • CPSB antibody
      • CTSB antibody
      • cysteine protease antibody
      • OTTHUMP00000116009 antibody
      • OTTHUMP00000229510 antibody
      • OTTHUMP00000229511 antibody
      • OTTHUMP00000229512 antibody
      • OTTHUMP00000229514 antibody
      • OTTHUMP00000229515 antibody
      • OTTHUMP00000229516 antibody
      • Preprocathepsin B antibody
      see all


    • All lanes : Anti-Cathepsin B antibody [EPR4323] (ab125067) at 1/1000 dilution

      Lane 1 : HT1080 cell lysate
      Lane 2 : A375 cell lysate
      Lane 3 : SW480 cell lysate
      Lane 4 : A549 cell lysate

      Lysates/proteins at 10 µg per lane.

      All lanes : Goat anti-Rabbit HRP at 1/2000 dilution

      Developed using the ECL technique.

      Predicted band size: 38 kDa

    • ab125067, at a 1/50 dilution, staining Cathepsin B in paraffin-embedded Human kidney tissue by immunohistochemistry.
    • ab125067, at a 1/50 dilution, staining Cathepsin B (red) in HeLa cells by immunofluorescence. DNA is marked in blue.
    • ab125067, at a 1/50 dilution, staining Cathepsin B in paraffin-embedded Human papillary carcinoma tissue by immunohistochemistry.


    This product has been referenced in:

    • Chen CH  et al. Study of Cathepsin B inhibition in VEGFR TKI treated human renal cell carcinoma xenografts. Oncogenesis 8:15 (2019). Read more (PubMed: 30796200) »
    • Feng X  et al. Genome-wide differential expression profiling of mRNAs and lncRNAs associated with prolificacy in Hu sheep. Biosci Rep 38:N/A (2018). Read more (PubMed: 29439142) »
    See all 7 Publications for this product

    Customer reviews and Q&As


    Thank you for contacting us and your interest in our products.
    Please find the ICC protocol used with the Anti-Cathepsin B antibody [EPR4323] (ab125067) attached to this email.
    The secondary antibody used in the staining was an Alexa Fluor 568 goat anti-rabbit IgG. We have several antibodies in our catalogue which may be of use to you as secondary antibodies to ab125067. For example:
    Goat polyclonal Secondary Antibody to Rabbit IgG - H&L (DyLight® 550), pre-adsorbed (ab96896)
    Donkey anti-Rabbit IgG H&L (DyLight® 594) secondary antibody (ab96921)
    Donkey anti-Rabbit IgG H&L (DyLight® 488) secondary antibody (ab98488)
    I hope this information has been of help. If you have any further questions, please do not hesitate to ask.

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