摘要
Rat-1cellsweretransfectedwithDNAfromhumanesophagealcancer2K,4K,6K,7K.8K.Thetransformingfociwereobtainedandthetransformingcelllineswereestablished.Thecelllinescanformlargercolonyinsoftagar.Thosenudemiceinjectedsubcutaneouslywiththecellssufferedfromlargerfibroussarcoma.Thisindicatesthatthecelllineshavecarcinogenicity.TheexperimentalresultssuggestthathumanDNAsequenceandhumanHa-rasspecial616Kb(BamHI)bandarepresentintheDNAofthetransformingcells.Theover-expressionofrasgeneproductsP21werefoundinthetissuesofexophagealcancer,thetissuesadjacenttotumorandthetransformingcells.
出版日期
1990年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)