abstract:Mammaglobin is a gene that encodes a 10-kilodalton glycoprotein.Mammaglobin, a Breast-Specific Gene, and Its Utility as a Marker for Breast Cancer - FLEMING and WATSON 923 (1): 78 - Annals of the New York Academy of Sciences In humans expression of the gene is limited to the adult mammary gland, a correlation between increased expression of the gene and breast cancer has been reported.