What are AE1/AE3? AE1/AE3 are a pair of antibodies that recognize multiple cytokeratins, which are intermediate filament proteins that are found in epithelial cells. Cytokeratins are normally located in the cytoplasm (body) of the epithelial cell. How is AE1/AE3 used in pathology? AE1/AE3 staining is commonly used in diagnostic pathology to aid in the diagnosis …
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