viral oncogene

例句：

1. 1. Viral oncogenes are responsible for the development of cancer in humans.
   病毒癌基因负责人类癌症的发展。
2. 2. The study of viral oncogenes has led to new treatments for cancer patients.
   研究病毒癌基因已经为癌症患者带来了新的治疗手段。
3. 3. The discovery of a new viral oncogene could revolutionize cancer treatment.
   发现一种新的病毒癌基因可能会彻底改变癌症治疗方法。