NEURONAL DIFFERENTIATION PROMOTER
The present invention provides a neuronal differentiation promoter for a neural stem cell, which comprises a p38 inhibitor. The present invention also provides a method for promoting the neuronal differentiation of a neural stem cell, which comprises culturing the neural stem cell in the presence of a p38 inhibitor. The neural stem cell is of a gliogenesis type of a neurogenesis type. The p38 inhibitor is a nucleic acid that can hybridize with DNA encoding p38 or mRNA for the DNA under physiological conditions to inhibit the transcription and/or translation of the DNA or the mRNA, an expression vector for the nucleic acid, a low-molecular-weight p38 inhibitor or the like.