these findings from unmanipulated human neuroblastomas indicate that the ha-ras gene product ( p21 ) might play a role in the mechanism ( s ) controlling aggressiveness in this type of tumor in vivo and that the ha-ras p21 detected by a simple and reproducible immunohistochemical procedure may be of clinical importance in predicting prognosis in patients with this malignancy .
C0086418
human
C0034678
ras