P53P53-tumor suppressor genetumor suppressor gene Introduction of p53Introduction of p53n np53 p53 ：the first 30 yearsthe first 30 yearsn nTheThe definition of p53definition of p53n nTheThe geneticgenetic structure and expression of p53 structure and expression of p53n nThe function ofThe function of p53 proteinp53 proteinn nThe signaling pathwaysThe signaling pathways ofof p53p53n ngeneticgenetic therapy of p53 therapy of p53http:/ p53 是人体抑癌基因（ tumor suppressor gene ），它因编码一种分子质量为53kDa 的蛋白质而得名。其
