Researchers ID Genetic Target for Aggressive Lung Cancers

UCLA study finds that small cell neuroendocrine tumors depend on a specific protein to grow, offering a potential path for new treatments.

RT’s Three Key Takeaways:

1. Genetic Dependency Identified: Researchers found that small cell neuroendocrine cancers, including lung and prostate tumors, become highly dependent on the E2F3 protein after losing the protective RB gene.
2. Halting Tumor Growth: Laboratory experiments showed that reducing E2F3 levels in cancer cells deficient in the RB gene stopped the tumors from dividing and led to cell death.
3. Potential for Drug Repurposing: Inhibiting the DHODH enzyme with medications already approved by the Food and Drug Administration (FDA) lowered E2F3 levels, suggesting a faster route to clinical application for these aggressive cancers.

UCLA…