蓝斑参与刺激下丘脑视上核引起的加强电针镇痛

来源 :神经科学 | 被引量 : 0次 | 上传用户:wyzhen
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
本工作应用核团灌流液的放射免疫测定(RIA),高压液相(HPLC)以及核团内注射拮抗剂,观察了蓝斑(LC)在刺激下丘脑视上核(SON)引起的加强电针(EA)镇痛效应中的作用。结果表明:化学刺激SON后电针期间和停针后30、60min,蓝斑灌流液内OT的含量明显升高,刺激SON后电针期间灌流液内精氨酸加压素(AVP)含量明显升高,停针后AVP的含量虽高于对照组及注射前的水平,但无统计学意义。LC灌流液内去甲肾上腺素(NE)的含量在刺激SON后EA和停针后均明显低于人工脑脊液(ACSF)对照组和注射前的NE含量,但与对照组相比无差异,LC灌洗液内5-羟色胺(5—HT)的含量仅在刺激SON后EA期间,高于注射前各组及ACSF组和ACSF+EA对照组,停针后则恢复到对照水平:LC内注射加压素V2受体拮抗剂对刺激SON引起的加强电针镇痛效应有轻度抑制作用,V1拮抗剂无明显影响,催产素拮抗剂可完全阻断这种作用,根据以上结果进行了讨论。 In this work, radioimmunoassay (RIA), high pressure liquid chromatography (HPLC) and intranuclear injection of antagonist were used in the nucleus perfusate to observe the effect of locus coeruleus (LC) stimulation on supraoptic nucleus (SON) Role of needle (EA) in analgesic effect. The results showed that the contents of OT in the locus coeruleus fluid after electroacupuncture at 30 and 60 min after electroacupuncture stimulation were significantly increased, and the content of arginine vasopressin (AVP) in the perfusion fluid after electroacupuncture stimulation was significantly increased However, the content of AVP in control group and pre-injection group was higher than that in control group and non-injection group, but it was not statistically significant. The content of norepinephrine (NE) in LC perfusion fluid was significantly lower than that of artificial cerebrospinal fluid (ACSF) and NE before injection after stimulation of EA and after needle-stop, but there was no difference compared with control group The content of 5-hydroxytryptamine (5-HT) in the lavage fluid was higher than that of the pre-injection group and the ACSF group and the ACSF + EA control group only after stimulation of EA, and returned to the control level after the needle was de-activated Angiotensin II receptor antagonists have a mild inhibitory effect on the potentiation of electroacupuncture analgesia caused by stimulation of SON, V1 antagonist has no obvious effect, oxytocin antagonist can completely block this effect, based on the above results were discussed.
其他文献
擂主:赵海亮(天津)一等奖:王东明(北京)优秀奖:欧阳志新《山东 吴为新(四川j 唐飞学(上海) 杨羊{海南岛)本期评委:吴文虎刘雅英张前军官国军傅志伟马克先张宗润罗光宣云南)
本文通过出生后7天和24个月两组大鼠晶状体与20%三硝基甲苯(TNT)甘油:水(8:2)混悬液体外培养,培养箱通5%CO2,恒温37℃,观察TNT对晶状体上皮细胞DNA的损伤程度,结果以反映单链DNA断裂强度的F630/F530比值表示。HPLC分析发现经体外
不知不觉间,《公路运输文摘》的《现代高速》版已经刊出半年了,像她的刊名一样,《现代高速》穿越时间隧道,飞速地跨入了新的世纪。 《现代高速》是稚嫩的,她毕竟才半岁,与其
疾病时的急性和条件反射性痛觉过敏反应有人认为痛感觉可以刺激机体的康复活动,从而加快损伤或疾病的恢复,如果这种看法正确,则疾病时的痛觉过敏必然是一种对机体有利的现象。本
为何肾小囊腔内的滤液成分不能渗回肾小球毛细血管内?答:《生理卫生》课本在“尿的形成和排出”一节中提到:“…当血液流过肾小球时,除血液中的的血细胞和大分子的蛋白质外,血浆中
我是一名药品销售业务员,刚到一个新的市场,发现很多经销商都代理自己的产品,我的产品和经销商的产品是同类产品,于是经销商把我的供货价压得很低,或者找其他理由拒绝上我的
本文运用单克隆抗体D_7结合另外一些抗细胞表面抗原的单克隆抗体,通过流式细胞计研究了Ly-6基因产物之一──Ly-6A/E抗原分子在骨髓细胞上的表达,发现18.03%的B_(220)+细胞表达LY-6A/E分子。表达Ly-6A/E的T淋巴细胞(Thy-1 ̄+)为26.25%。另外
核心观点:知识是最好的解码器。没人能骗你,除了你自己。最近打开招商类媒体,看到的加盟业招商广告铺天盖地,“打造××个百万富翁”、“10天引爆市场”、“横空出世,利润巨
由中国医学科学院与中华医学杂志编委会联合举办的中国首届人类基因诊断、治疗与预防研讨会,1994年11月2~4日在北京举行。119名代表出席了会议,会议特邀8位专家作了专题报告