前列腺癌是男性常见肿瘤之一 ,在我国的发病率及死亡率也有逐年增加及年轻化的趋势 ,一旦诊断明确已失去手术治疗机会。传统的化疗易使肿瘤细胞产生药物毒性作用及耐受性 ,而ＣＤ(ｃｙｔｏｓｉｎｅｄｅａｍｉ ｎａｓｅ) /5ＦＣ自杀基因疗法恰可弥补上述不足。ＣＤ基因存在于细 Prostate cancer is one of the common male tumors. In China, the morbidity and mortality are also increasing year by year and younger. Once the diagnosis is clear, the chance of surgical treatment has been lost. Traditional chemotherapy is easy to produce drug toxicity and tolerance of tumor cells, and CD (cytosinedeamnase) / 5FC suicide gene therapy just to make up for these shortcomings. CD gene exists in the fine