Breast cancer metastasis to the brain is rising in prevalence and is an increasingly lethal threat to the patients. Here, the authors show miR-199b-5p, secreted by some breast cancer cells and detected at a higher level in patients with brain metastases, impairs the metabolic coupling between neurons and astrocytes to facilitate development of brain metastasis.
- Xianhui Ruan
- Wei Yan
- Shizhen Emily Wang