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Amygdaloid kindling increases enkephalin-like immunoreactivity but decreases dynorphin-A-like immunoreactivity in rat
Neuroscience Letters
|October 30, 1986
Abstract:
The effects of amygdaloid kindling on the regional levels and distribution of enkephalin-like and dynorphin-A (DN)-like immunoreactivity (LI) were examined. One day after completion of kindling, radioimmunoassay revealed a 71% decrease in DN1-8-LI and a 43% increase in [Met5]-enkephalin-LI in the hippocampus. Immunostaining revealed a depletion of DN1-17-LI in the hippocampal mossy fiber pathway and an increase in [Leu5]-enkephalin-LI in the temporoammonic pathway. Four weeks after completion of kindling, the levels and immunostaining intensity of dynorphin and enkephalin in the hippocampus had returned to control values.