Chronic morphine-induced neuronal morphological changes in the ventral tegmental area in rats are reversed by electroacupuncture treatment.
2008
The aim of this study was to observe the effect of electroacupuncture (EA) on chronic morphine-induced neuronal morphological changes in the ventral tegmental area (VTA) in rats at electron-microscopic level. Fourteen days of administering escalating doses of morphine induced pathological morphological changes of neurons in the VTA: the rough endoplasmic reticulum swelled, membrane configuration of the nucleus and mitochondria blurred, and struc- ture of myelin sheath changed. Both 2 and 100 Hz EA treatment reversed the morphological alterations induced by chronic morphine administration. The findings provide new evidence that EA may serve as a potential therapy in treating opiate addiction.
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