Authors observated the effect of moxibustion on changes of 5-HT and immunefunction of rat infected with EHFV.The results show that moxibustion could enhance the phago-cytosis of peritoneal macrophage of rat infected w...Authors observated the effect of moxibustion on changes of 5-HT and immunefunction of rat infected with EHFV.The results show that moxibustion could enhance the phago-cytosis of peritoneal macrophage of rat infected with EHFV,increase the roset rate of RBC C<sub>3</sub>brecptor,decrease the content of 5-HT in plasma.There is a significant dffeerence between EHFVinfected group and moxibustion group.That suggests the moxibustion could enhance the immunefunction of body,regulate the metablic disturbance of 5-HT in plasma,maintain the internal en-vironment of body and enhance the force of body to anti EHFV.Maybe that can play an impor-tant role in the mechanism of moxibustion treating EHF.展开更多
目的探讨内侧隔斜角带复合体(medial septum-diagonal band of Broca complex,MS-DB)中5-HT1A受体在帕金森病(Parkinson's disease,PD)认知功能中的作用及机制。方法以6-羟基多巴胺(6-hydroxydopamine,6-OHDA)损毁单侧内侧前脑束(me...目的探讨内侧隔斜角带复合体(medial septum-diagonal band of Broca complex,MS-DB)中5-HT1A受体在帕金森病(Parkinson's disease,PD)认知功能中的作用及机制。方法以6-羟基多巴胺(6-hydroxydopamine,6-OHDA)损毁单侧内侧前脑束(medial forebrain bundle,MFB)的PD模型大鼠为对象,采用行为学和电生理学方法,观察激活或阻断MS-DB中5-HT1A受体对PD认知功能和海马theta节律的影响。结果 (1)单侧MFB损毁降低了大鼠在T-迷宫实验中的选择正确率,MS-DB局部注射5-HT1A受体激动剂8-OH-DPAT进一步降低模型组大鼠在T-迷宫实验中的选择正确率,而MS-DB局部注射选择性5-HT1A受体拮抗剂WAY100635升高模型组大鼠的选择正确率;(2)单侧MFB损毁使海马theta节律的峰频率降低,MS-DB局部注射8-OH-DPAT抑制海马theta节律,降低theta节律的标准化功率,而MS-DB局部注射WAY100635诱发海马theta节律,并使theta节律的标准化功率升高。结论阻断MS-DB中的5-HT1A受体可改善模型组大鼠的工作记忆,这可能是通过兴奋海马theta节律来实现的。展开更多
针对目前电力系统低频振荡模式识别和参数提取中的噪声干扰等问题,提出一种基于希尔伯特变换(Hilbert transformation,HT)和能量函数经验模态分解(energy function of empirical mode decomposition,EFEMD)相结合的低频振荡模态辨识方...针对目前电力系统低频振荡模式识别和参数提取中的噪声干扰等问题,提出一种基于希尔伯特变换(Hilbert transformation,HT)和能量函数经验模态分解(energy function of empirical mode decomposition,EFEMD)相结合的低频振荡模态辨识方法。首先运用经验模态分解(empirical mode decomposition,EMD)对含有噪声的电力系统低频振荡广域测量信号进行经验模态分解得到各个固有模态函数(intrinsic modal function,IMF),随后应用EFEMD-HT能量法对IMF进行能量计算并权重,筛选出系统的主导振荡模式,最后通过Hilbert变换对主导振荡模式进行参数的提取。通过对理想信号、EPRI-36机系统仿真信号以及电网实测PMU信号的仿真验证了所提EFEMD-HT能量法的可行性与有效性,能够对系统的主导振荡模式进行准确地辨识。展开更多
文摘Authors observated the effect of moxibustion on changes of 5-HT and immunefunction of rat infected with EHFV.The results show that moxibustion could enhance the phago-cytosis of peritoneal macrophage of rat infected with EHFV,increase the roset rate of RBC C<sub>3</sub>brecptor,decrease the content of 5-HT in plasma.There is a significant dffeerence between EHFVinfected group and moxibustion group.That suggests the moxibustion could enhance the immunefunction of body,regulate the metablic disturbance of 5-HT in plasma,maintain the internal en-vironment of body and enhance the force of body to anti EHFV.Maybe that can play an impor-tant role in the mechanism of moxibustion treating EHF.
文摘目的探讨内侧隔斜角带复合体(medial septum-diagonal band of Broca complex,MS-DB)中5-HT1A受体在帕金森病(Parkinson's disease,PD)认知功能中的作用及机制。方法以6-羟基多巴胺(6-hydroxydopamine,6-OHDA)损毁单侧内侧前脑束(medial forebrain bundle,MFB)的PD模型大鼠为对象,采用行为学和电生理学方法,观察激活或阻断MS-DB中5-HT1A受体对PD认知功能和海马theta节律的影响。结果 (1)单侧MFB损毁降低了大鼠在T-迷宫实验中的选择正确率,MS-DB局部注射5-HT1A受体激动剂8-OH-DPAT进一步降低模型组大鼠在T-迷宫实验中的选择正确率,而MS-DB局部注射选择性5-HT1A受体拮抗剂WAY100635升高模型组大鼠的选择正确率;(2)单侧MFB损毁使海马theta节律的峰频率降低,MS-DB局部注射8-OH-DPAT抑制海马theta节律,降低theta节律的标准化功率,而MS-DB局部注射WAY100635诱发海马theta节律,并使theta节律的标准化功率升高。结论阻断MS-DB中的5-HT1A受体可改善模型组大鼠的工作记忆,这可能是通过兴奋海马theta节律来实现的。
