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Overview
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Cytokeratin 8, a member of the Type II family of cytokeratins, is typically expressed in simpleepithelium. The dimerization of cytokeratin 8 with cytokeratin 18 (labeled by 35 betaH11) in thecytoplasm of simple epithelial cells allows for the formation of an intermediate filament cytoskeletalframework. This structure plays a role in the maintenance of cellular structural integrity and alsofunctions in promoting signal transduction and cellular differentiation processes. Additionally, thepresence of cytokeratin 8 has been detected in neoplastic epithelia, including glandular epithelium thatcan be found in prostate carcinoma. Positive immunoreactivity with anti-cytokeratin 8 is a usefulindicator for the identification of normal and neoplastic epithelial tissues.
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Overview