Cytokeratin 4 is a 59 kD cytokeratin intermediate fillament protein. It is found in non-complying squamous epitheliim such as that of the superficial and intermediate epithelial cells of the esophagus, ectocervix, tongue, vagina, larynx, pharynx, epiglotis and anus, as well as the superficial cells of the cornea.
Cytokeratin 4 is also expressed in the superbasal cells of urinary bladder, transitional epithelium in single cells and cell groups of sweat glands, prostatic ducts and in cylindrical, cilliated bronchial epithelial cells. For Research Use Only.
|Tissue Type/Cancer Type|
0.5 mL – Manual – Concentrate, 1 mL – Manual – Concentrate, 6 mL – Manual – RTU, 50 Tests – Automation – Xmatrx, 100 Tests – Automation – i6000, 200 Tests – Automation – Xmatrx, 5 slides – Xmatrx, 5 slides – Manual