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Long-term physiological responses of nerve growth factor (NGF) and other neurotrophins require gene regulation and likely depend on retrograde axonal transport of NGF or a signaling molecule activated by ligand-receptor interaction. The low-affinity neurotrophin receptor p75LANR is retrogradely transported, but this receptor is not sufficient for(More)
Epidermal growth factor (EGF)-treated neurosphere cultures from embryonal striatum contain multipotential cells capable of neuronal, astrocytic, and oligodendroglial differentiation. In this study, we tested whether these neural precursor cells differentiate in the presence of neurotrophic factors. We first assayed neurosphere cells for expression of(More)
The high-affinity NGF receptor is thought to be a complex of two receptors , gp75 and the tyrosine kinase TrkA, but direct biochemical evidence for such an association had been lacking. In this report, we demonstrate the existence of such a gp75-TrkA complex by a copatching technique. Gp75 on the surface of intact cells is patched with an anti-gp75 antibody(More)
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