释义 |
DictionarySeeRASras oncogene
ras oncogenepoint mutations first described in rat sarcoma cells that can be shown to have transforming activity in culture as well as in tumorigenesis models in mice; the ras gene family is composed of three closely related genes on three different chromosomes; abnormalities have been identified in a variety of human tumors.ras on·co·gene (ras on'kō-jēn) Point mutations first described in rat sarcoma cells that can be shown to have transforming activity in culture, as well as in tumorigenesis models in mice; the ras gene family is composed of three closely related genes on three different chromosomes; abnormalities have been identified in a variety of human tumors. |