Method:The expression of P16 and P15 protein in 46 cases of gastric carcinoma and 69 metastatic lymph node were detected by SP immunohistochemical method.

• 方法:采用链霉菌抗生物素蛋白过氧化物酶连接法(SP法),检测46件胃癌组织及69件转移淋巴结标本中P16、P15蛋白的表达。