Baihui (DU20)-penetrating-Qubin (GB7) acupuncture inhibits apoptosis in the perihemorrhagic penumbra

来源 :中国神经再生研究(英文版) | 被引量 : 0次 | 上传用户:www_52810_com
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Baihui (DU20)-penetrating-Qubin (GB7) acupuncture can inhibit inflammatory reactions and activate signaling pathways related to proliferation after intracerebral hemorrhage.However,there is no research showing the relationship between this treatment and cell apoptosis.Rat models of intracerebral hemorrhage were established by injecting 60 μL of autologous blood into the right side of the caudate-putamen.Six hours later,the needle traveled subcutaneously from the Baihui acupoint to Qubin acupoint.The needle was altately rotated (180 ± 10 ts/min) manually along clockwise and counter-clockwise directions.Stimulation lasted for 7 days,and was performed three times each for 6 minutes with 6-minute intervals between stimulations.Rats intraperitoneally receiving Sonic hedgehog pathway activator,purmorphamine (1 mg/kg per day),served as positive controls.Motor and sensory function were assessed using the Ludmila Belayev test.Extent of pathological changes were measured in the perihemorrhagic penumbra using hematoxylin-eosin staining.Apoptosis was examined by terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick end labeling assay.Expression of smoothened (Smo) and glioma-associated homolog 1 (Gli1) was determined by west blot assay.Our results showed that Baihui-penetrating-Qubin acupuncture promoted recovery of motor and sensory function,reduced the apoptotic cell percentage in the perihemorrhagic penumbra,and up-regulated Smo and Glil expression.We conclude that Baihui-penetrating-Qubin acupuncture can mitigate hemorrhage and promote functional recovery of the brain in a rat model of intracerebral hemorrhage,possibly by activating the Sonic hedgehog pathway.
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