Abstract
The injury associated with implantation of an inert gelatin matrix (gel foam) into normal mouse striatum induces a long-lived increase in binding of [3H]mazindol to presynaptic dopamine uptake sites, probably due to proliferation of striatal dopaminergic terminals. Because of the known effects of leukaemia inhibitory factor (LIF) on catecholaminergic cells, we tested the hypothesis that LIF may alter the striatal dopaminergic response to injury in vivo. Application of LIF to mouse striatum in a gel foam implant abolished the usual injury induced proliferation of dopamine uptake sites. The ability of LIF to prevent proliferation of dopamine terminals may have important implications for our understanding of neural regeneration, the aetiology of Parkinson's disease and its treatment by intrastriatal grafting.
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