In order to evaluate the role of DCC gene expression in the carcinogenesis and progress of gastric cancer,DCC mRNA expression was investigated in 26 speciments of gastric cancer using the reverse transcription polymerase chain reaction analysis.

• 应用逆转录多聚酶链反应（RT－PCR）技术对26例胃癌组织DCC基因mRNA的表达进行分析。