• Product name

  • Description

    Mouse monoclonal to KRT81
  • Host species

  • Tested applications

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

    Reacts with: Human
  • Immunogen

    Recombinant full length protein, corresponding to amino acids 304-505 of Human KRT81.

  • General notes

    This product was changed from ascites to tissue culture supernatant on 27/June/2019. Please note that the dilutions may need to be adjusted accordingly. If you have any questions, please do not hesitate to contact our scientific support team.



Our Abpromise guarantee covers the use of ab55407 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
  • Application notes
    WB: Use at a concentration of 1-5 µg/ml.
    IF/ICC: Use at a concentration of 10 µg/ml.
    IHC-P: Use at a concentration of 3 µg/ml.

    Not yet tested in other applications.
    Optimal dilutions/concentrations should be determined by the end user.
  • Target

    • Tissue specificity

      Abundantly expressed in the differentiating cortex of growing (anagen) hair. Expression is restricted to the keratinocytes of the hair cortex and is absent from inner root sheath and medulla. Expressed in malignant lymph node tissue in breast carcinoma tissue.
    • Involvement in disease

      Defects in KRT81 are a cause of monilethrix (MLTRX) [MIM:158000]. Monilethrix is an autosomal dominant hair disorder characterized clinically by alopecia and follicular papules. Affected hairs have uniform elliptical nodes of normal thickness and intermittent constrictions, internodes at which the hair easily breaks. Usually only the scalp is involved, but in severe forms, the secondary sexual hair, eyebrows, eyelashes, and nails may also be affected.
    • Sequence similarities

      Belongs to the intermediate filament family.
    • Information by UniProt
    • Database links

    • Alternative names

      • 1 antibody
      • basic antibody
      • ghHb 1 antibody
      • ghHb1 antibody
      • ghHkb 1 antibody
      • ghHKb1 antibody
      • hair antibody
      • Hair keratin K2.9 antibody
      • Hard keratin type II 1 antibody
      • HB 1 antibody
      • HB1 antibody
      • hHAKB2 1 antibody
      • K2.9 antibody
      • K81 antibody
      • Keratin 81 antibody
      • Keratin antibody
      • Keratin hair basic 1 antibody
      • Keratin type II cuticular Hb1 antibody
      • Keratin-81 antibody
      • Keratin81 antibody
      • KRT 81 antibody
      • KRT81 antibody
      • KRT81_HUMAN antibody
      • KRTHB 1 antibody
      • KRTHB1 antibody
      • Metastatic lymph node 137 gene protein antibody
      • MLN 137 antibody
      • MLN137 antibody
      • type II cuticular Hb1 antibody
      • Type II hair keratin Hb1 antibody
      • Type-II keratin Kb21 antibody
      see all


    • KRT81 antibody (ab55407) used in immunohistochemistry at 3ug/ml on formalin fixed and paraffin embedded human esophagus. This was producted using the ascites version of the product.

    • KRT81 antibody (ab55407) used in immunofluorescence at 10ug/ml on HeLa cells. This was producted using the ascites version of the product.

    • KRT81 antibody (ab55407) at 1ug/lane + HepG2 cell lysate at 25ug/lane. This was producted using the ascites version of the product.


    ab55407 has not yet been referenced specifically in any publications.

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