in order to study the in vitro and in vivo oncogenicity of n-ras and to compare its pathogenicity to that of h-ras , we have inserted an activated or a normal form of human n-ras cdna into a slightly modified harvey murine sarcoma virus-derived vector in which the h-ras p21 coding region had been deleted .
C0086418
human
C1705572
h-ras