Neuronal chemotaxis: chick dorsal-root axons turn toward high concentrations of nerve growth factor
作者： R. Gundersen , J. Barrett
关键词: Dorsum 、 Ganglion 、 Turn (biochemistry) 、 Endocrinology 、 Chemotaxis 、 Tissue culture 、 Internal medicine 、 Cell biology 、 Beta (finance) 、 Growth factor 、 Nerve growth factor 、 Biology
摘要: Micropipettes containing 2 to 50 biological units of beta growth factor (NGF) were placed near growing axons chick dorsal-root ganglion neurons in tissue culture. The turned and grew toward the NGF source within 21 minutes. This turning response elevated concentrations appears represent chemotactic guidance rather than a general enhancement rate.
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