Objective To study the inhibition of vibramycin on the expression of matrix metalloproteinase 2 (MMP 2) and the invasiveness of androgen independent prostatic carcinoma cell line PC 3 in vitro.

Objective To explore Insulin like growth factor 1 receptor(IGF 1R)gene quantitative expression in human pancreatic cancer cells(PC 3) and the relationship of IGF 1R with apoptosis?tumorigenicity.

A modern PC typically has a processor running at 3.0ghz (3 billion clock ticks per second), little changed from a PC made three or four years ago.