Protein electrophoretic pattern analysis was made to study of protein
variation in women patients with breast carcinoma .The obtained results
summarized as following: 1. Absence of specific protein (13.5 KDa) in the tissues of women patients
with breast carcinoma, which was found only in the tissues of breast
benign tumors. 2. Increase of protein bands density in the being tumor samples, especially
that situated between 30 KDa - 70 KDa . Although this study was performed using conventional procedure , it is
highly promising for understanding of the nature of protein gene expression in
breast cancer cells.