Glucosamine represses primary tumor growth
. (A) Xenograft experiment for anticancer activity of glucosamine was performed. A549 cells were injected subcutaneously into the BALB/c nude mice. (B) Distribution histogram represents the individual signals of mice in each group at day 71. (C - D) Tumor tissues extracted from each mice were used for western blotting (C) and RT-PCR (D). (E) Immunohistochemistry of phosphorylated Akt (pAkt). Bars, 50 μm.