Xiaokang Ge

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Androgen-independent prostate cancer is resistant to therapy and is often metastatic. Here we studied the effect of deprivation of tyrosine and phenylalanine (Tyr/Phe), glutamine (Gln), or methionine (Met), in vitro on human DU145 and PC3 androgen-independent prostate cancer cells, and on nontumorigenic human infant foreskin fibroblasts and human prostate(More)
The anti-invasive ability of the mitogen-activated protein kinase (MAPK) kinase inhibitor, U0126, was examined in human A375 melanoma cells in vitro. The effect was compared to that of PD98059, another commonly used MEK (MAPK kinase) inhibitor. U0126 or PD98059 showed a dose-dependent inhibition of A375 cell invasion through growth factor-reduced Matrigel.(More)
Deprivation of tyrosine (Tyr) and phenylalanine (Phe) inhibits growth and induces programmed cell death (apoptosis) of human A375 melanoma cells. Herein, we found that activation of caspases and release of mitochondrial cytochrome c are required for this process. Culturing A375 cells in Tyr/Phe-free medium, containing 10% dialyzed fetal bovine serum,(More)
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