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微循环调节系统的模拟研究 被引量:1
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作者 宋江超 伍冬平 +4 位作者 谢敏 刘辉凤 付军 刘伟智 白伦 《苏州大学学报(工科版)》 CAS 2008年第2期1-7,共7页
基于微循环代谢性调节系统的理论研究,以代谢动态变化条件下的调整机制为目标,利用系统模拟的方法进行了分析和研究。研究首先建立机体处于静息状态下毛细血管的调节系统模型,并进一步对从静息转变为运动过程中微循环调节模型进行分析... 基于微循环代谢性调节系统的理论研究,以代谢动态变化条件下的调整机制为目标,利用系统模拟的方法进行了分析和研究。研究首先建立机体处于静息状态下毛细血管的调节系统模型,并进一步对从静息转变为运动过程中微循环调节模型进行分析和构建;利用所建立的模型讨论了毛细血管开放率和开闭频率在动态微循环调节中的形态和作用,阐述了机体由静息状态向运动状态过渡过程中在满足机体代谢需要的同时,维持血压和血流动态平衡的机制,为阐明微循环代谢性调节机制提供了基础的研究结果。 展开更多
关键词 微循环 血流调节 毛细血管前括约肌 代谢性调节 骨骼肌
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代谢水平渐变时微循环调节模拟系统的研究
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作者 宋江超 谢敏 +2 位作者 刘辉凤 伍冬平 白伦 《现代生物医学进展》 CAS 2009年第9期1624-1627,共4页
目的:构建组织代谢水平渐变条件下的微循环调节动态过程模拟系统,进行毛细血管系统代谢性调节的理论研究。方法:利用计算机编程构建代谢水平渐变条件下的微循环调节动态过程模拟系统,以此分析和研究微循环代谢性调节。结果:讨论了毛细... 目的:构建组织代谢水平渐变条件下的微循环调节动态过程模拟系统,进行毛细血管系统代谢性调节的理论研究。方法:利用计算机编程构建代谢水平渐变条件下的微循环调节动态过程模拟系统,以此分析和研究微循环代谢性调节。结果:讨论了毛细血管单元开放率和开闭频率在代谢性调节过程中的变化等基本问题,并给出了微循环系统对于代谢状态变化快速反应机制的解释。结论:构建了微循环代谢性调节的计算机模拟系统平台方面取得了初步的进展,为进一步深入地分析微循环代谢性调节机制确立了近似的模拟分析方法,进一步为阐明微循环代谢性调节机制奠定了基础,为充分利用微循环代谢性调节作用提供了便捷的工具。 展开更多
关键词 微循环 代谢性调节 毛细血管 血流调节 氧输运
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Effects of Yishenjiangzhuo granules on immunity and bone metabolism in patients with stage 3-4 chronic kidney disease
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作者 Jing Zheng Yingda Lin +4 位作者 Lu Huang Caifeng Chen Xuemin Zheng Xinhong Wu Ciyun Liu 《Journal of Traditional Chinese Medicine》 SCIE CAS CSCD 2013年第5期620-625,共6页
OBJECTIVE:To determine the effects of Yishenjiangzhuo granules(YJG)on bone metabolism and to explore the changes in levels of bone Gla protein(BGP),tartrate-resistant acid phosphatase(TRAP),as well as their relationsh... OBJECTIVE:To determine the effects of Yishenjiangzhuo granules(YJG)on bone metabolism and to explore the changes in levels of bone Gla protein(BGP),tartrate-resistant acid phosphatase(TRAP),as well as their relationships with levels of B cells,regulatory T cells(Treg)and interleukin(IL)-17 in patients with stage 3-4 chronic kidney disease(CKD)before and after treatment.METHODS:Fifty-three stage 3-4 CKD patients were divided randomly into two groups:YJG treatment and control.Peripheral blood was taken from two groups of CKD patients and 21 healthy subjects in the normal group.The parameters determined were the levels of CD4+,CD19+,CD19+CD69+,CD19+AV,Treg(CD4+CD25+CD127lo),BGP,TRAP,IL-17,calcium,phosphate,blood urea nitrogen,serum creatinine(SCr),hemoglobin(Hb)in peripheral blood,and urinary creatinine.Calcium-phosphate products and endogenous creatinine clearance rate(CCr)were calculated according to standard protocols.RESULTS:In YJG and control groups,SCr levels were lowered(P<0.01)after treatment,whereas CCr(P<0.05)as well as Hb and albumin levels(P<0.01)were increased.The changes in levels of CCr and SCr in the YJG group were more significant.After treatment,CD19+CD69+and Treg levels in the two groups varied(P<0.01)compared with those of the normal group;the level of CD19+increased but the levels of CD4+and CD19+AV decreased(P<0.01)in both groups.Compared with the control group,the changes of CD19+and CD19+AV in the YJG group were more apparent(P<0.05).Compared with the normal group,levels of IL-17 in both groups increased significantly(P<0.01),and the difference in the control group was more significant(P<0.05).After treatment,the TRAP level increased(P<0.05),but the difference in BGP level(P>0.05)was not significant.CONCLUSION:In stage 3-4 CKD patients,B cells and IL-17 participated in the induction of osteoclast activation.YJG could also elevate the level of B cells and decrease their apoptosis,but showed no significant effects on active B cells,IL-17 or osteoclast activity. 展开更多
关键词 B lymphocytes T-lymphocytes regulatory Osteocalcin Acid phosphatase Yishenjiangzhuo granules
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