電針對(duì)兔面神經(jīng)損傷(恢復(fù)期)的干預(yù)及機(jī)理研究
[Abstract]:Objective: to investigate the mechanism of electroacupuncture (EA) in promoting the recovery of facial nerve injury by observing the pathological changes of nerve and the regulation of neuron survival rate Cyto-c expression during the recovery period of facial nerve injury in rabbits. The mechanism of electroacupuncture in the convalescence of peripheral facial palsy is further expounded, which provides some theoretical basis for clinical treatment of this disease. Methods: fifty healthy adult New Zealand rabbits were divided into blank control group, sham operation group, model group, acupuncture group and electroacupuncture group with 10 rabbits in each group. The model group, acupuncture group and electroacupuncture group were used to make facial nerve injury model. After modeling, acupuncture group and electroacupuncture group began acupuncture 7 days after operation, electroacupuncture intervention, other groups did not intervene, only the same grasp. The facial muscle movement was observed every day and recorded after scoring. After 28 days of operation, the number of facial nerve axons, the survival of nerve nucleus neurons and the number of Cyto-C positive cells were observed under microscope. And carries on the statistical analysis to the correlation data. Results: after the intervention (28 days after operation), the indexes of blank group and sham operation group were superior to those of model group, acupuncture group and electroacupuncture group. Model group, acupuncture group, electroacupuncture group compared with three groups. Facial muscle motor score: (1) acupuncture group, electroacupuncture group before and after the score of facial muscle score and the comparison between the model group (P0.05), the differences were statistically significant; (2) the electroacupuncture group score was lower than the acupuncture group (P0.05), the difference was statistically significant. Neuron survival rate: (1) the survival rate of neurons in acupuncture group and electroacupuncture group were higher than that in model group (P0.05), the difference was statistically significant; (2) electroacupuncture group was superior to acupuncture group (P0.05), the difference was statistically significant. The number of axons per unit area: (1) the number of axons in acupuncture group and electroacupuncture group were higher than that in model group (P0.05), (2) the number of positive cells in EA group was higher than that in acupuncture group (P0.05), the difference was statistically significant. Electroacupuncture group was significantly less than model group (P0.05), the difference was statistically significant; (2) electroacupuncture group than acupuncture group (P0.05), the difference was statistically significant. Conclusion: electroacupuncture may promote the recovery of injured facial nerve by reducing the release of Cyto-C from neuron body, preventing caspases cascade reaction, inhibiting the mitochondrial pathway of apoptosis, increasing the survival rate of neurons and promoting axon regeneration. It provides a theoretical basis for the treatment of peripheral facial paralysis in convalescence stage by electroacupuncture.
【學(xué)位授予單位】:山東中醫(yī)藥大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2016
【分類號(hào)】:R246.3
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