Villin (EP163)

Villin is a 95 kD glycoprotein of microvilli associated with rootlet formation in gastrointestinal mucosal epithelium. Anti-villin labels the brush border area in the gastrointestinal mucosal epithelium.1 This antibody has been useful in differentiating gastrointestinal adenocarcinoma, neuroendocrine carcinomas, and ovarian adenocarcinomas from adenocarcinomas of other organs.2-5 This antibody also labels Merkel cells of the skin.6