Cytokeratins (CK) are intermediate filaments of epithelial cells, both in keratinizing tissue (ie., skin) and non-keratinizing cells (ie., mesothelial cells). Although not a traditional marker for endothelial cells, cytokeratins have also been found in some microvascular endothelial cells. At least 20 different cytokeratins in the molecular range of 40-70 kDa and isoelectric points of 5-8.5 can be identified using two dimensional gel electrophoresis. Biochemically, most members of the CK family fall into one of two classes, type I (acidic polypeptides) and type II (basic polypeptides). At least one member of the acidic family and one member of the basic family is expressed in all epithelial cells. Monoclonal antibodies to cytokeratin proteins can be useful markers for tumor identification and classification.
Purification
Purified by saturated ammonium sulphate precipitation
Immunogène
Hybridoma produced by the fusion of splenocytes from mice immunized with cytoskeleton preparation from human A431 carcinoma cells and mouse myeloma cells.
Clone
C11
Isotype
IgG1
Indications d'application
Antibody detects keratins 4,5,6,8,10,13 & 18 by Western blot. Immunohistochemistry can be performed on frozen tissues and paraffin sections. Optimal concentration should be evaluated by serial dilutions. X1260M reacts with a variety of normal and neoplastic epithelia. Reacting with simple epithelium and both basal and superbasal layers of cornifying and non-cornifying squamous epithelium this antibody is also useful in staining cultured epithelial cell lines. It is useful in differentiating epithelial tumors from non-epithelial tumors.
Restrictions
For Research Use only
Buffer
Provided as solution in phosphate buffered saline with 0.08 % sodium azide
Agent conservateur
Sodium azide
Précaution d'utilisation
This product contains Sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Stock
-20 °C
Stockage commentaire
Product should be stored at -20°C. Aliquot to avoid freeze/thaw cycles