Abstract

The effects of unilateral cortical devascularization and nerve growth factor treatment on muscarinic cholinoceptors labelled with [3H]QNB were investigated in rat cerebral cortex. The lesion induced a significant ipsilateral decrease in the density (Bmax) but not in the affinity (kD) of [3H]QNB binding sites. Intraventricular infusion of 2.5 S mouse nerve growth factor (NGF) increased the density of binding sites such that Bmax values of lesioned animals treated with NGF were not different from control subjects.

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