Title : Hierarchical analysis of the nerve growth factor-dependent and nerve growth factor-independent differentiation signaling pathways in PC12 cells with protein kinase inhibitors.

Pub. Date : 1995 Oct 1

PMID : 8568921






5 Functional Relationships(s)
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1 The effects of a series of protein kinase inhibitors on nerve growth factor (NGF)-dependent and NGF-independent neurite outgrowth in PC12 cells have established an ordered relationship among those protein kinases sensitive to down regulation by bryostatin, stimulation by staurosporine, inhibition by sphingosine, or inhibition by 6-thioguanine (6-TG). Staurosporine nerve growth factor Rattus norvegicus
2 The effects of a series of protein kinase inhibitors on nerve growth factor (NGF)-dependent and NGF-independent neurite outgrowth in PC12 cells have established an ordered relationship among those protein kinases sensitive to down regulation by bryostatin, stimulation by staurosporine, inhibition by sphingosine, or inhibition by 6-thioguanine (6-TG). Staurosporine nerve growth factor Rattus norvegicus
3 Quantitation of the biphasic staurosporine effects on NGF-induced neurite outgrowth (Hashimoto and Hagino: J Neurochem 53:1675-1685, 1989) gave an IC50 of 2-4 nM for inhibition and an EC50 of 15-20 nM for induction of neurite extension. Staurosporine nerve growth factor Rattus norvegicus
4 Inhibition by 5-7.5 nM staurosporine acted rapidly to arrest and decrease development of neurites up to 24 hr after NGF treatment, as did K252a and NGF polyclonal antibody addition. Staurosporine nerve growth factor Rattus norvegicus
5 Our cellular data support the concept that staurosporine acts to inhibit the NGF receptor Trk (Nye et al. Staurosporine nerve growth factor Rattus norvegicus