Provided herein are isolated neural stem cells. Also provided are methods for treatment of neurodegenerative diseases using suitable preparations comprising the isolated neural stem cells. In one embodiment, an isolated neural stem cell described herein expresses transcripts for one or more of caudal type homeobox 2 (Cdx2), Nanog homeobox, nestin, octamer-binding transcription factor 4(Oct-4), neurofilament, neurogenin-3 (Ngn3), neomycin-deleted gene (Neo-D), microtubuie-associated protein -2 (M...

PURPOSE: A pharmaceutical composition containing cilostazol and a ginkgo leaf extract for preventing or treating hearing loss is provided to suppress apoptosis of auditory cells caused by generation of reactive oxygen species (ROS) thereby effectively preventing or treating noise deafness or ototoxic deafness. CONSTITUTION: A pharmaceutical composition for preventing or treating hearing loss contains cilostazol and a gingko leaf extract as active ingredients which are mixed in a weight ratio of ...