Stroke recovery processes may accelerate glioma progression

New research published in Nature Cancer suggests that the biological processes the brain uses to repair itself after an ischemic stroke may inadvertently accelerate the progression of gliomas, a type of brain cancer.

Researchers found that strokes alter the environment surrounding these tumors, allowing glioma cells to exploit the brain’s natural recovery mechanisms to grow and spread more rapidly. Using various experimental models, including patient-derived glioma cells, the study demonstrated that strokes reshape the tumor environment and increase the spread of tumor cells into areas affected by the injury.

Qi Ye, an assistant professor at the Fralin Biomedical Research Institute Cancer Research Center, noted that while the study does not prove that strokes cause brain cancer, it clarifies the biological mechanism behind the known association between brain injury and tumor development. The goal of the research is to understand these processes to eventually develop methods to prevent tumors from utilizing the brain’s repair response.