基于NF-κB通路动态观察通督调神针刺对动脉硬化性脑梗死模型大鼠Chemerin水平的影响*
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(安徽中医药大学第二附属医院,安徽 合肥 230000)

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R245

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基金项目: 安徽中医药大学科研项目(2016qn022) 收稿日期: 2017 - 12- 16 作者简介: 吴海洋(1986-),男,主治医师,研究方向:针刺临床应用及机理研究。 通信作者: 王颖,Email:zhenjiu205@126.com


Effect of Tongdu Tiaoshen Acupuncture on Chemerin Level in Rats with Arteriosclerotic Cerebral Infarction Based on Dynamic Observation of NF-κB Pathway
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(The Second Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei 230000, China)

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    摘要:

    目的基于NF-κB通路观察通督调神针刺方法对动脉硬化性脑梗死模型大鼠Chemerin水平的动态变化,寻找针刺最佳干预时间点。方法选取96 只Wistar雄性大鼠随机分为对照组(基础饲料喂养)、假手术组(基础饲料喂养+颈动脉分离)、模型组(高脂饲料喂养+线栓法造脑梗死模型)和针刺组(高脂饲料喂养+线栓法造脑梗死模型+针刺)4组。根据缺血再灌注6、24、48 h各分为3 个亚组,每组8 只。其中模型组和针刺组采用Zea Long线栓法造模成功后,根据Zea Longa的神经功能评分,将评分1~3 分大鼠收入相应组别。4 组采用流式细胞仪测定血清中NF-κB的表达活性;运用酶联免疫吸附试验(ELISA)法测定血清中Chemerin水平。结果①Zea Longa的神经功能评分,针刺6 h组神经功能缺损评分较同组其他时间点降低更为显著(P<0.01);②假手术组血清中Chemerin和NF-κB的水平与对照组比较差异无统计学意义(P>0.05);③模型组血清中Chemerin和NF-κB的水平与对照组和假手术组比较显著上调(P<0.01)。④缺血再灌注6 h NF-κB水平开始升高,缺血再灌注24 h和48 h NF-κB水平仍在持续升高,缺血再灌注6 h针刺组血清中NF-κB水平与同组不同时间点水平相比下调最为显著(P<0.01);⑤缺血再灌注6 h针刺组血清中Chemerin水平与同时间点模型组相比差异具有统计学意义(P<0.01)。缺血再灌注24 h和48 h针刺组血清中Chemerin水平与同时间点模型组相比差异无统计学意义(P>0.05)。结论①通督调神针刺对于动脉硬化性脑梗死模型大鼠神经功能缺损具有显著修复作用。②通督调神针刺可以抑制动脉硬化性脑梗死模型大鼠血清中NF-κB活性,降低Chemerin水平。在缺血再灌注6 h为最佳针刺时间点。

    Abstract:

    Objective To observe the dynamic changes of Chemerin levels in rats with arteriosclerotic cerebral infarction treated by Tongdu Tiaoshen acupuncture method based on the NF-κB pathway and to find the optimal time for acupuncture intervention. Methods Ninety-six adult Wistar male rats were randomly divided into four groups:control group, sham operation group, model group and acupuncture group. According to ischemia-reperfusion 6 h, 24 h, 48 h each is divided into 3 subgroups, 8 in each group. According to the neurological function score of Zea Longa, the standard rat income will be matched to the corresponding group, and the expression activity of NF-KB in peripheral blood mononuclear cells will be determined by flow cytometry. After enzyme-linked immunosorbent assay(ELISA)Determination of Chemerin levels in peripheral blood. Results ①Neurological score of Zea Longa;②Chemerin and NF-κB levels in sham group were not significantly different from those in blank group(P>0.05);③Chemerin and The level of NF-κB was significantly up-regulated compared with the blank group and the sham operation group(P<0.01). ④The level of NF-κB began to increase at 6 h after ischemia-reperfusion, and the levels of NF-κB in 24 h and 48 h after ischemia-reperfusion continued to increase. But the level of NF-κB in acupuncture group at 6 h after ischemia-reperfusion was the most significant(P<0.01). ⑤Chemerin levels in the acupuncture group at 6 h after ischemia-reperfusion were significantly different from those in the model group at the same time point(P<0.01). The levels of Chemerin in the acupuncture group at 24 h and 48 h after ischemia-reperfusion were not significantly different from those in the model group at the same time point(P>0.05). Conclusion ①Tongdu Tiaoshen acupuncture can significantly reduce atherosclerosis cerebral infarction Neurological deficit in model rats. ②Tongdu Tiaoshen acupuncture can inhibit NF-κB activity and reduce Chemerin in peripheral blood of rats with atherosclerotic cerebral infarction. Acupuncture at 6 h after ischemia-reperfusion was the best treatment time point.

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