OBJECTIVE:To explore the protective mechanisms of the Traditional Chinese Medicine Bushenhuoxue(BSHX)in a rat model of vascular dementia(VD).METHODS:A rat model of VD was developed using bilateral common carotid arter...OBJECTIVE:To explore the protective mechanisms of the Traditional Chinese Medicine Bushenhuoxue(BSHX)in a rat model of vascular dementia(VD).METHODS:A rat model of VD was developed using bilateral common carotid artery occlusion(BCCAO).Rats were administered BSHX(10.14 or 5.07 g/kg),nimodipine(11.06 mg/kg;positive control),or saline(control)by gavage daily for 30 d post-surgery.Learning and memory abilities were assessed using the Morris water maze.Morphological changes in the hippocampus were observed using light microscopy(hematoxylin and eosin staining)and transmission electron microscopy(TEM).The m RNA and protein expression levels of brain-derived neurotrophic factor(BDNF),tyrosine receptor kinase B(Trk B),phosphatidyl inositol 3-kinase(PI3 K),serine/threonine kinase(AKT),and c AMP response element binding protein(CREB)were measured by real-time polymerase chain reaction(RT-PCR)and Western blot,respectively.RESULTS:Compared with the sham group,rats with BCCAO exhibited impaired learning and memory abilities(Morris water maze)and showed abnormalities in neuronal morphology(light microscopy)and ultrastructure(TEM)in the hippocampus.They also had decreased m RNA and protein expressions of BDNF,Trk B,PI3 K,AKT,and CREB in hippocampal tissue(all P<0.05).In rats with BCCAO,administration of BSHX attenuated deficits in learning and memory,improved the morphology and ultrastructure of hippocampal neurons,and enhanced m RNA and protein expression levels of BDNF,Trk B,PI3 K,AKT,and CREB(all P<0.05).CONCLUSION:BSHX may protect hippocampal neurons and improve learning and memory abilities,at least in part via the activation of BDNF/Trk B/PI3 K/AKT/CREB signaling.展开更多
目的探讨补肾活血方对多囊卵巢综合征伴不孕症患者卵巢颗粒细胞IGF-1R m RNA的影响。方法选取2010年3月—2014年3月静宁县人民医院诊治多囊卵巢综合征伴不孕症患者70例,随机分为观察组和对照组,每组各35例。对照组患者给予常规促排卵治...目的探讨补肾活血方对多囊卵巢综合征伴不孕症患者卵巢颗粒细胞IGF-1R m RNA的影响。方法选取2010年3月—2014年3月静宁县人民医院诊治多囊卵巢综合征伴不孕症患者70例,随机分为观察组和对照组,每组各35例。对照组患者给予常规促排卵治疗,观察组患者在对照组治疗的基础上给予补肾活血方治疗,疗程为6个月经周期。观察并记录两组患者在相应方法干预后血清雌二醇(E2)、睾酮(T)、黄体生成素/卵泡雌激素(LH/FSH)和中医症候积分的变化情况;测定取卵日卵巢颗粒细胞IGF-1R m RNA的表达情况。结果治疗前,两组患者的上述观察指标相比,差异无统计学意义(P>0.05);治疗后,两组患者的E2升高,T、LH/FSH和中医症候积分下降,其中观察组患者的改善程度优于对照组,差异有统计学意义(P<0.05);观察组患者卵巢颗粒细胞IGF-1R m RNA的表达显著高于对照组,差异有统计学意义(t=3.938,P=0.000)。结论对多囊卵巢综合征伴不孕症患者给予补肾活血方治疗,可以提高IGF-1R m RNA的表达水平,促进卵泡发育,调节机体的黄体功能,提高治疗效果,值得临床推广。展开更多
基金Supported by Hebei Province Natural Science Fund(Protection Mechanism Research of Bushenhuoxue on Hippocampal Nerve in Rats with Vascular Dementia Based on BDNF/Trk B Signaling Pathway,No.H2015423057)Hebei Provincial Department of Education Science and Technology Research Key Funding Project(Study on the Mechanism of Regulating the Autophagy and Apoptosis of Hippocampal Neurons in VD Rats by Bushenhuoxue Prescription,No.ZD2018009)Research Capacity Enhancement Project of Hebei University of Chinese Medicine(Improvement of Hippocampal Synaptic Remodeling in Rats with Vascular Dementia by Regulating BDNF/Trk B Signaling Pathway Based on the"renal essence"theory,No.2019-11).
文摘OBJECTIVE:To explore the protective mechanisms of the Traditional Chinese Medicine Bushenhuoxue(BSHX)in a rat model of vascular dementia(VD).METHODS:A rat model of VD was developed using bilateral common carotid artery occlusion(BCCAO).Rats were administered BSHX(10.14 or 5.07 g/kg),nimodipine(11.06 mg/kg;positive control),or saline(control)by gavage daily for 30 d post-surgery.Learning and memory abilities were assessed using the Morris water maze.Morphological changes in the hippocampus were observed using light microscopy(hematoxylin and eosin staining)and transmission electron microscopy(TEM).The m RNA and protein expression levels of brain-derived neurotrophic factor(BDNF),tyrosine receptor kinase B(Trk B),phosphatidyl inositol 3-kinase(PI3 K),serine/threonine kinase(AKT),and c AMP response element binding protein(CREB)were measured by real-time polymerase chain reaction(RT-PCR)and Western blot,respectively.RESULTS:Compared with the sham group,rats with BCCAO exhibited impaired learning and memory abilities(Morris water maze)and showed abnormalities in neuronal morphology(light microscopy)and ultrastructure(TEM)in the hippocampus.They also had decreased m RNA and protein expressions of BDNF,Trk B,PI3 K,AKT,and CREB in hippocampal tissue(all P<0.05).In rats with BCCAO,administration of BSHX attenuated deficits in learning and memory,improved the morphology and ultrastructure of hippocampal neurons,and enhanced m RNA and protein expression levels of BDNF,Trk B,PI3 K,AKT,and CREB(all P<0.05).CONCLUSION:BSHX may protect hippocampal neurons and improve learning and memory abilities,at least in part via the activation of BDNF/Trk B/PI3 K/AKT/CREB signaling.
文摘目的探讨补肾活血方对多囊卵巢综合征伴不孕症患者卵巢颗粒细胞IGF-1R m RNA的影响。方法选取2010年3月—2014年3月静宁县人民医院诊治多囊卵巢综合征伴不孕症患者70例,随机分为观察组和对照组,每组各35例。对照组患者给予常规促排卵治疗,观察组患者在对照组治疗的基础上给予补肾活血方治疗,疗程为6个月经周期。观察并记录两组患者在相应方法干预后血清雌二醇(E2)、睾酮(T)、黄体生成素/卵泡雌激素(LH/FSH)和中医症候积分的变化情况;测定取卵日卵巢颗粒细胞IGF-1R m RNA的表达情况。结果治疗前,两组患者的上述观察指标相比,差异无统计学意义(P>0.05);治疗后,两组患者的E2升高,T、LH/FSH和中医症候积分下降,其中观察组患者的改善程度优于对照组,差异有统计学意义(P<0.05);观察组患者卵巢颗粒细胞IGF-1R m RNA的表达显著高于对照组,差异有统计学意义(t=3.938,P=0.000)。结论对多囊卵巢综合征伴不孕症患者给予补肾活血方治疗,可以提高IGF-1R m RNA的表达水平,促进卵泡发育,调节机体的黄体功能,提高治疗效果,值得临床推广。
