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机构地区:[1]复旦大学附属儿科医院麻醉科,上海201102 [2]皖南医学院解剖学教研室,安徽241002
出 处:《中国组织化学与细胞化学杂志》2014年第4期320-324,共5页Chinese Journal of Histochemistry and Cytochemistry
基 金:安徽省高等学校省级优秀青年人才基金资助(2009SQRZ182)
摘 要:目的探讨择时电针治疗氯胺酮滥用成瘾的某些神经生物学机制。方法将56只清洁级SD大鼠随机分为7组,即正常组、生理盐水组、模型组、子时电针组、卯时电针组、午时电针组和酉时电针组,每组8只。每天1次经腹腔注射盐酸氯胺酮注射液100mg/kg,连续给药7d复制氯胺酮滥用成瘾模型,不同时辰电针组在造模成功后选取一侧"三阴交"和"足三里"穴给予电针(低频2Hz)治疗,每次30min,连续7d。采用免疫组织化学染色方法检测隔内侧核(medial septal nucleus,MS)酪氨酸羟化酶(tyrosine hydroxylase,TH)、c-fos的表达。结果与正常组和生理盐水组相比较,模型组MS TH、c-fos表达明显增强(P<0.05)。与模型组相比较,午时、酉时电针组MS TH、c-fos表达明显减弱(P<0.05),而子时、卯时电针组无明显变化(P>0.05)。结论氯胺酮滥用成瘾可以增强TH、c-fos在MS的表达,午时、酉时电针具有逆转作用。Objective To explore some of the neurobiological mechanisms involved in the effect of electroacupuncture at different times on ketamine abuse addiction .Methods A total of 56 Sprague-Dawley rats were randomized into normal control group ,normal saline group(2 ml/kg) ,model group ,and Zi-Shi (23 :00-1 :00) EA group ,Mao-Shi (5 :00-7 :00) EA group ,Wu-Shi (11 :00-13 :00) EA group and You-Shi (17 :00-19 :00) EA group .Ketamine abuse model was established by intraperitoneal administration of ket-amine (100 mg /kg) ,once a day for 7 days .EA (2Hz ,3v) was applied to unilaterd “Sanyinjiao” (SP6) and “Zusanli” (ST36) for 30 min ,once daily for 7 days .The expression of tyrosine hydroxylase (TH) and c-fos in the MS was detected by immunohistochemistry .Results Compared with that of the normal control group ,TH and c-fos expression increased in MS of the ketamine group (P〈0 .05) .Compared with that of the model group ,Wu-Shi and You-Shi EA groups reduced TH and c-fos expression (P〈 0 .05) ,while Zi-Shi and Mao-Shi EA groups had no obvious effect (P 〈 0 .05) .Conclusion Ketamine abuse addiction can promote TH and c-fos expression in the medial septal nucleus ,and Wu-Shi and You-Shi electroacupunc-ture can reverse this effect .
关 键 词:电针 时间医学 氯胺酮滥用 隔内侧核 酪氨酸羟化酶 C-FOS
分 类 号:R246.222[医药卫生—针灸推拿学] R322.811[医药卫生—中医临床基础]
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