It shows a broad pattern of reactivity with human epithelial tissues from simple glandular epithelia to stratified squamous epithelia, like epidermis, mammary gland ducts and tracheal epithelium.

• 它对人类上皮组织具有广谱的阳性反应，从简单的腺上皮到复层鳞状上皮，比如表皮，乳腺导管，气管上皮等都有反应。