Research Article

Cellular Homeostasis and Antioxidant Response in Epithelial HT29 Cells on Titania Nanotube Arrays Surface

Figure 5

Immunoblot analysis of selected tumor suppressor and oncogene proteins. Expression of tumor suppressor proteins (p27 and RB1) and suppression of oncogene proteins (SKP2 and BCL2) were observed in epithelial HT29 cells grown on TNA surface. β-Actin protein profile was used as a loading control. The studied protein samples were obtained from TNA (N), TiP (T), glass (G), plastic (P), and nicotine-treated surface (NQ). Results were obtained from two independent experiments, and one representative result is presented.