Abstract
To investigate the effects of the effective component group of Xiaoxuming Decoction (XXM), a compound traditional Chinese herbal medicine, on cerebral mitochondria in rats with chronic cerebral ischemia. Rats were subjected to permanent bilateral common carotid artery occlusion to induce chronic cerebral ischemia. Then, the rats with chronic cerebral ischemia were randomly divided into five groups: model group, extract of Ginkgo biloba group and low-, medium- and high-dose effective component group of XXM groups. Another 11 rats without common carotid artery occlusion were used as a sham control. Gradient centrifugation was used to obtain the mitochondria from the rat brain. Clark oxygen electrode method was used to determine mitochondrial respiratory function. Photometric determination was used to measure mitochondrial swelling. Rodamine 123 was used to measure mitochondrial membrane potential. Western blotting was used to detect mitochondrial apoptosis. Compared with the sham group, the mitochondria dysfunction was caused by chronic cerebral ischemia associated with the decrease of oxidative phosphorylation parameters and the mitochondrial membrane potential, the increase of the mitochondrial degree, the elevation of reactive...Continue Reading
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