Breast cancer is a healthcare concern of women worldwide.Despite procedures being available for diagnosis,prognosis and treatment of breast cancer,researchers are working intensively on the disease in order to improve the life quality of breast cancer patients.At present,there is no single treatment known to bring a definite cure for breast cancer.One of the possible solutions for combating breast cancer is through identification of reliable protein biomarkers that can be eff ectively used for early detection,prognosis and treatments of the cancer.Therefore,the task of identification of biomarkers for breast cancer has become the focus of many researchers worldwide.