A 2D square lattice is studied. By using the continuum approximation, we set up the differential equations of motion for an arbitrary particle in the square lattice which subjects to an external periodic substrate pot...A 2D square lattice is studied. By using the continuum approximation, we set up the differential equations of motion for an arbitrary particle in the square lattice which subjects to an external periodic substrate potential. The exact solitary waves of the system are found for special cases. We conclude that the adhesive force f and the angle between propagation directions of upper and lower layers can affect these waves.展开更多
目的探讨脑小血管病(CSVD)患者外周血G蛋白耦联雌激素受体30(GPER30)、神经元PAS结构域蛋白4(NPAS4)、FK506结合蛋白5(FKBP5)表达与认知功能障碍(CD)的相关性。方法前瞻性选取2022年1月至2023年12月郑州大学第二附属医院收治的227例CSV...目的探讨脑小血管病(CSVD)患者外周血G蛋白耦联雌激素受体30(GPER30)、神经元PAS结构域蛋白4(NPAS4)、FK506结合蛋白5(FKBP5)表达与认知功能障碍(CD)的相关性。方法前瞻性选取2022年1月至2023年12月郑州大学第二附属医院收治的227例CSVD患者,根据有无CD分为障碍组(n=66)与无障碍组(n=161)。比较两组患者的一般资料及外周血GPER30、NPAS4、FKBP5 m RNA表达水平,Logistic回归分析CSVD患者CD的影响因素,比较不同程度CD患者外周血GPER30、NPAS4、FKBP5 m RNA表达水平,采用Pearson法分析外周血GPER30、NPAS4、FKBP5 m RNA表达与蒙特利尔认知评估量表(Mo CA)评分的相关性。结果障碍组患者的年龄、病程分别为(72.49±5.68)岁、(2.69±0.78)年,明显高(长)于无障碍组的(67.51±7.04)岁、(2.31±0.62)年,差异均有统计学意义(P<0.05);障碍组患者的外周血GPER30 m RNA表达水平为1.02±0.17,明显低于无障碍组的1.66±0.31,NPAS4m RNA、FKBP5 m RNA表达水平分别为2.79±0.60、3.88±1.12,明显高于无障碍组的1.55±0.51、2.10±0.59,差异均有统计学意义(P<0.05);Logistic回归分析结果显示,年龄、病程、GPER30 m RNA、NPAS4 m RNA及FKBP5 m RNA均为CSVD患者CD的独立影响因素(P<0.05)。轻度组患者的外周血GPER30 m RNA表达水平为1.27±0.25,明显高于中重度组的0.70±0.12,NPAS4 m RNA、FKBP5 m RNA表达水平分别为2.31±0.58、3.19±1.07,明显低于中重度组的3.40±0.72、4.76±1.39,差异均有统计学意义(P<0.05);Pearson法分析结果显示,外周血GPER30 m RNA表达与CSVD患者Mo CA评分呈正相关(r=0.704,P<0.05),NPAS4 m RNA、FKBP5 m RNA与Mo CA评分呈负相关(r=-0.572、-0.542,P<0.05)。结论外周血GPER30、NPAS4、FKBP5是CSVD患者CD的独立相关因素,各指标表达水平与CD病情严重程度均具有一定相关性,可为临床判断CD、评估CD病情严重程度提供参考,以指导后续临床工作。展开更多
FK506(Tacrolimus)is a systemic immunosuppressant approved by the U.S.Food and Drug Administration.FK506 has been shown to promote peripheral nerve regeneration,however,its precise mechanism of action and its pathways ...FK506(Tacrolimus)is a systemic immunosuppressant approved by the U.S.Food and Drug Administration.FK506 has been shown to promote peripheral nerve regeneration,however,its precise mechanism of action and its pathways remain unclear.In this study,we established a rat model of sciatic nerve injury and found that FK506 improved the morphology of the injured sciatic nerve,increased the numbers of motor and sensory neurons,reduced inflammatory responses,markedly improved the conduction function of the injured nerve,and promoted motor function recovery.These findings suggest that FK506 promotes peripheral nerve structure recovery and functional regeneration by reducing the intensity of inflammation after neuronal injury and increasing the number of surviving neurons.展开更多
基金supported by National Natural Science Foundation of China under Grant No. 10575082the Natural Science Foundation of Gansu Province under Grant No. 3ZS061-A25-013the Natural Science Foundation of Northwest Normal University under Grant No. NWNU-KJCXGC-03-17
文摘A 2D square lattice is studied. By using the continuum approximation, we set up the differential equations of motion for an arbitrary particle in the square lattice which subjects to an external periodic substrate potential. The exact solitary waves of the system are found for special cases. We conclude that the adhesive force f and the angle between propagation directions of upper and lower layers can affect these waves.
文摘目的探讨脑小血管病(CSVD)患者外周血G蛋白耦联雌激素受体30(GPER30)、神经元PAS结构域蛋白4(NPAS4)、FK506结合蛋白5(FKBP5)表达与认知功能障碍(CD)的相关性。方法前瞻性选取2022年1月至2023年12月郑州大学第二附属医院收治的227例CSVD患者,根据有无CD分为障碍组(n=66)与无障碍组(n=161)。比较两组患者的一般资料及外周血GPER30、NPAS4、FKBP5 m RNA表达水平,Logistic回归分析CSVD患者CD的影响因素,比较不同程度CD患者外周血GPER30、NPAS4、FKBP5 m RNA表达水平,采用Pearson法分析外周血GPER30、NPAS4、FKBP5 m RNA表达与蒙特利尔认知评估量表(Mo CA)评分的相关性。结果障碍组患者的年龄、病程分别为(72.49±5.68)岁、(2.69±0.78)年,明显高(长)于无障碍组的(67.51±7.04)岁、(2.31±0.62)年,差异均有统计学意义(P<0.05);障碍组患者的外周血GPER30 m RNA表达水平为1.02±0.17,明显低于无障碍组的1.66±0.31,NPAS4m RNA、FKBP5 m RNA表达水平分别为2.79±0.60、3.88±1.12,明显高于无障碍组的1.55±0.51、2.10±0.59,差异均有统计学意义(P<0.05);Logistic回归分析结果显示,年龄、病程、GPER30 m RNA、NPAS4 m RNA及FKBP5 m RNA均为CSVD患者CD的独立影响因素(P<0.05)。轻度组患者的外周血GPER30 m RNA表达水平为1.27±0.25,明显高于中重度组的0.70±0.12,NPAS4 m RNA、FKBP5 m RNA表达水平分别为2.31±0.58、3.19±1.07,明显低于中重度组的3.40±0.72、4.76±1.39,差异均有统计学意义(P<0.05);Pearson法分析结果显示,外周血GPER30 m RNA表达与CSVD患者Mo CA评分呈正相关(r=0.704,P<0.05),NPAS4 m RNA、FKBP5 m RNA与Mo CA评分呈负相关(r=-0.572、-0.542,P<0.05)。结论外周血GPER30、NPAS4、FKBP5是CSVD患者CD的独立相关因素,各指标表达水平与CD病情严重程度均具有一定相关性,可为临床判断CD、评估CD病情严重程度提供参考,以指导后续临床工作。
基金supported by the National Natural Science Foundation of China,No.81971177(to YK)the Natural Science Foundation of Beijing,No.7222198(to NH)the Peking University People's Hospital Research and Development Fund,No.RDX2021-01(to YK)。
文摘FK506(Tacrolimus)is a systemic immunosuppressant approved by the U.S.Food and Drug Administration.FK506 has been shown to promote peripheral nerve regeneration,however,its precise mechanism of action and its pathways remain unclear.In this study,we established a rat model of sciatic nerve injury and found that FK506 improved the morphology of the injured sciatic nerve,increased the numbers of motor and sensory neurons,reduced inflammatory responses,markedly improved the conduction function of the injured nerve,and promoted motor function recovery.These findings suggest that FK506 promotes peripheral nerve structure recovery and functional regeneration by reducing the intensity of inflammation after neuronal injury and increasing the number of surviving neurons.
