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The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Use a concentration of 5 µg/ml. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
Use a concentration of 1 µg/ml. Detects a band of approximately 48 kDa (predicted molecular weight: 48 kDa).
FunctionMay play a role in late hair differentiation.
Tissue specificityExpressed in skin and scalp. Also very weakly expressed in tongue, breast, colon and small intestine. In the hair follicle, it is specifically present in the upper hair cuticle. Not present in the upper cortex (at protein level).
Sequence similaritiesBelongs to the intermediate filament family.
Developmental stageDuring differentiation of the hair, it is one of the last keratins expressed.
IHC image of hair cortex Cytokeratin staining in Human normal skin formalin fixed paraffin embedded tissue section, performed on a Leica Bond™ system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab112444, 5µg/ml, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
Western blot - Anti-hair cortex Cytokeratin antibody (ab112444)
All lanes : Anti-hair cortex Cytokeratin antibody (ab112444) at 1 µg/ml
Lane 1 : Caco 2 (Human colonic carcinoma cell line) Whole Cell Lysate Lane 2 : MCF7 (Human breast adenocarcinoma cell line) Whole Cell Lysate Lane 3 : SW480 (Human colon adenocarcinoma cell line) Whole Cell Lysate Lane 4 : LOVO (Human colon adenocarcinoma cell line) Whole Cell Lysate
Lysates/proteins at 10 µg per lane.
Secondary Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/10000 dilution Developed using the ECL technique
Performed under reducing conditions.
Predicted band size : 48 kDa Observed band size : 48 kDa
Exposure time : 2 minutes
This blot was produced using a 4-12% Bis-tris gel under the MOPS buffer system. The gel was run at 200V for 50 minutes before being transferred onto a Nitrocellulose membrane at 30V for 70 minutes. The membrane was then blocked for an hour using 5% Bovine Serum Albumin before being incubated with ab112444 overnight at 4°C. Antibody binding was detected using an anti-rabbit antibody conjugated to HRP, and visualised using ECL development solution.
References for Anti-hair cortex Cytokeratin antibody (ab112444)
has not yet been referenced specifically in any publications.
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