If the cancer tests negative for over-expression of the her2 / neu oncogene , weekly chemotherapy with taxol or taxotere is an effective option with acceptable side effects .
To observe the spontaneous apoptosis in gastric type and intestinal type of gastric carcinoma and the impact of oncogene mdm2 and histogic types and different infiltration deep and having lymph node metastasis or not on them .
In other cases , a second oncogene , nras , became mutated , allowing the cancer to short circuit the plx4032-inhibited braf mutation and reactivate the braf survival pathway .