mouse medulloblastomas, which are cerebel-lar tumors that, in humans, occur primarily between 5 and 10 years of age 7. Because the tumors spread through the CNS, treatment consists of surgical resection, radiation to the entire brain and spine, and chemotherapy and, as a consequence, leaves survivors with debili-tating learning and neuroendocrine hormonal deficiencies. A potential implication o...
