In addition, Ghasemi-Dehkordi et al. report that azurin prevents the growth and proliferation of MCF-7 breast cancer cells through control of cell cycle genes and an increase in the proapoptotic genes (BAK, FAS, and BAX) and a decrease in cyclin-D1 (a cell cycle regulator) [9]. The gene discussed is CCND1; the disease is breast carcinoma.