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We have used compartmented cultures of rat sympathetic neurons to quantitatively examine the retrograde transport of 125I-nerve growth factor (NGF) supplied to distal axons and to characterize the cellular events that maintain steady-state levels of NGF in cell bodies. In cultures allowed to reach steady-state 125I-NGF transport, cell bodies contained only(More)
How neurons convert the presence of factors at their axon terminals into signals that affect mechanisms in their cell bodies is unknown, but retrograde axonal transport of the factors themselves may be involved. Nerve growth factor (NGF) and leukemia inhibitory factor (LIF) have previously been shown to produce changes in cell bodies of sympathetic neurons(More)
The regulation of the synthesis of acetylcholine and phosphatidylcholine in rat sympathetic neurons was examined in the context of cholinergic differentiation. We demonstrate that the activities of choline acetyltransferase (ChAT) and choline kinase (CK) are inversely affected by treatment of sympathetic neurons with retinoic acid, utilized as an agent that(More)
Cholinergic properties are induced in sympathetic neurons by several factors applied to entire neurons in culture. Evidence from work with the rat sweat gland model indicates that factors located in target tissues can induce cholinergic differentiation in vivo. We now report that when leukemia inhibitory factor (LIF), heart cell-conditioned medium (HCCM),(More)
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