Shinsuke Nii

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To examine the regulation of nerve growth factor (NGF) gene expression with respect to neural trauma, we examined the effects of T cell-derived lymphokines on NGF synthesis/secretion in cultured mouse astrocytes. Interleukin (IL)-4 and IL-5 significantly increased the amount of NGF secreted by astrocytes, whereas IL-2, IL-3, and IL-6 had no significant(More)
Neurotrophic effects (NTEs) of various brain regions of 4-week-old rats were examined in primary culture of rat embryonic cerebral hemispheres. Extracts of the hippocampus, brainstem and septal nucleus highly enhanced the survivability of neuronal cells and the division of non-neuronal cells by 9 days. The septohippocampal tract (fimbria fornix) was cut and(More)
The effects of subcultured astrocytes on the proliferation of neuronal precursor cells (neuroblasts) from rat embryonic cerebral hemispheres were examined. The survivability of neurons and the neurite outgrowth were significantly enhanced by the subcultured astrocytes compared to those of neurons plated on poly-L-lysine-coated coverslips. The incorporation(More)
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