Replacement of Nerve-Growth Factor by Ganglionic Non-Neuronal Cells for the Survival In Vitro of Dissociated Ganglionic Neurons

AUTOR(ES)

Burnham, Patricia

RESUMO

Nerve-growth factor is known to cause a considerable increase in the number of neurons putting out processes and surviving in cell cultures of dissociated dorsal-root and sympathetic ganglia from embryonic chicks. Similar effects of nerve-growth factor have now been noted with cultures of dissociated dorsal-root ganglia from newborn mice or rats. In all three sensory ganglionic systems, the effects of the nerve-growth factor on fiber production and neuronal survival could be mimicked, in the absence of the factor, by adequate increase of the non-neuronal cells in the cultures. The results suggest a hypothesis that views the role of the nerve-growth factor as subordinate to that of the non-neuronal cells.

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