we determined which viral oncogenes ( v-sis , v-myc , and v-fos ) were expressed in five primary human brain tumors of neuroectodermal origin ( two glioblastomas multiforme , one medulloblastoma , one cystic cerebellar astrocytoma , and one ganglioglioma ) and which of these oncogenes is correlated with malignancy .
C0087140
v-fos
C0086418
human