Researchers identify new mechanisms in brain and breast cancer growth

Scientists have uncovered new insights into how aggressive cancers manipulate biological environments to fuel growth.

Researchers at Baylor College of Medicine discovered that glioblastoma, a common and aggressive adult brain cancer, manipulates neighboring brain cells to promote tumor growth. According to a study published in the journal Neuron, the cancer alters the activity of surrounding neurons, shifting them from a state that limits growth to one that encourages it. This mechanism involves the manipulation of brain circuits, where hyperactive activity facilitates faster tumor progression.

In a separate study published in Cell Reports Medicine, researchers at the Vanderbilt-Ingram Cancer Center developed a large-scale molecular map of breast cancer. By integrating transcriptomic data from over 7,600 tumors, the team identified previously hidden forms of the disease. This atlas reveals distinct tumor populations with different biological characteristics and therapeutic vulnerabilities, offering a foundation for precision oncology and personalized treatments based on molecular profiles rather than standard pathology alone.