If neurons don't divide, how does brain cancer happen?

If cancer occurs only in dividing cells, how can the brain develop cancer eventhough all brain cells are differentiated and don't divide? ... read more

Brain contains other types of cells than neurons, namely glial cells, only neurons are the ones generally can not regenerate. A lot of brain cancers are the result of uncontrolled growth of glial cells, for example a glioma arises from astrocytes. read more

First of all brain cancer might be primary or metastatic. More then 90% of primary tumor are glyoblastoma and astrocytoma (originated from glial cells, which can divide). No matter what are originated cells for brain metastatic. read more

The answers emerged with the discovery that the sub-ventricular zone [the sheet of cells closest to the ventricle in the developing neural tube] that produces neurons during development, retains some neural stem cells [undifferentiated cells from which other cells, including neurons, can be derived] in the adult. read more