P15941

MUC1 also known as Mucin 1, CD227 is a membrane-bound protein that is a member of the mucin family. MUC1 plays a crucial role in cell signaling and adhesion, acting as a protective barrier on epithelial surfaces and influencing tumor progression. MUC1 expression is particularly significant in epithelial tumors, such as breast carcinomas, where Mucin 1 can contribute to tumorigenesis and metastasis. MUC1 is primarily localized to the apical surface of epithelial cells, where MUC1 forms a protective mucosal layer, which is essential for maintaining tissue integrity and function. Understanding the localization and function of MUC1 is vital for developing targeted therapies in cancer treatment, as MUC1 overexpression can serve as a biomarker for malignancy.