目的:探讨魄不安于肺不寐大鼠血清生物钟分子血清褪黑素(MT)、脑褪黑素相关受体(GPR50)和松果体的变化。方法:将24只SD大鼠随机分为模型组和正常组,每组12只。采用狭长多平台浅水环境法剥夺大鼠深睡眠42 d制备慢性睡眠剥夺模型。称取大...目的:探讨魄不安于肺不寐大鼠血清生物钟分子血清褪黑素(MT)、脑褪黑素相关受体(GPR50)和松果体的变化。方法:将24只SD大鼠随机分为模型组和正常组,每组12只。采用狭长多平台浅水环境法剥夺大鼠深睡眠42 d制备慢性睡眠剥夺模型。称取大鼠体质量,进行水迷宫检测、戊巴比妥钠诱导的睡眠实验和脑肌电监测,以E L I SA检测血清M T水平,以免疫组化法检测脑和脑干G P R50的水平,透射电子显微镜观察松果体的病理变化。结果:与正常组比较,模型组大鼠体质量显著减少(P<0.05,P<0.01)、上台潜伏期显著延长(P<0.05)、穿越原平台上方次数显著减少(P<0.05);戊巴比妥钠致睡眠潜伏期显著延长(P<0.05)、睡眠时间显著缩短(P<0.05);脑电图慢波睡眠第2期及快动眼睡眠比例显著减少(P<0.01);血清MT显著降低(P<0.05);脑及脑干GPR50表达显著升高(P<0.01,P<0.05);松果体超微结构出现明显病理变化。结论:狭长多平台浅水环境法可以剥夺大鼠部分深睡眠,引起大鼠记忆、睡眠行为改变,褪黑素和GPR50及松果体超微结构的变化。上述模型指标的变化可以用于研究魄不安于肺型不寐时参考。展开更多
Objective:To explore the influence of scarring moxibustion on the changes of serum melatonin(MT)and neuropeptide Y(NPY)expressions in the insomnia model rats.Methods:A total of 40 SD rats were randomly divided into a ...Objective:To explore the influence of scarring moxibustion on the changes of serum melatonin(MT)and neuropeptide Y(NPY)expressions in the insomnia model rats.Methods:A total of 40 SD rats were randomly divided into a blank group,a model group,a scarring moxibustion group,an embedding needling group and a mild moxibustion group,8 rats in each group.The intraperitoneal injection of p-chlorophenylalanine(PCPA)was adopted to establish the insomnia model rats and the corresponding interventions were given,consecutively for 6 days.Separately,before modeling and the first intervention as well as before sample collection,the body weight was measured and the serum was collected in the insomnia model rats.The enzyme linked immunosorbent assay(ELISA)was used to detect the levels of serum MT and NPY.Results:Compared with the blank group,the body weight of rat in the model group was lower(P<0.01)and the levels of MT and NPY were lower in the model group(both P<0.05).Compared with the model group,in the scarring moxibustion group,the embedding needling group and the mild moxibustion group,the body weight and the levels of MT and NPY of the insomnia model rats were all higher(all P<0.05).Compared with the embedding needling group and the mild moxibustion group,the body weight and the levels of MT and NPY the insomnia model rats were all higher in the scarring moxibustion group(all P<0.05).In comparison between the embedding needling group and the mild moxibustion group,there were no statistical differences in the body weight and the levels of MT and NPY(all P>0.05).Conclusion:The regulation mechanism of sleep-wake circadian rhythm may be related to the levels of serum MT and NPY in the insomnia model rats.Scarring moxibustion increases the levels of MT and NPY more effectively and displays the effect in the intervention as compared with embedding needling and mild moxibustion in the insomnia model rats.展开更多
文摘目的:探讨魄不安于肺不寐大鼠血清生物钟分子血清褪黑素(MT)、脑褪黑素相关受体(GPR50)和松果体的变化。方法:将24只SD大鼠随机分为模型组和正常组,每组12只。采用狭长多平台浅水环境法剥夺大鼠深睡眠42 d制备慢性睡眠剥夺模型。称取大鼠体质量,进行水迷宫检测、戊巴比妥钠诱导的睡眠实验和脑肌电监测,以E L I SA检测血清M T水平,以免疫组化法检测脑和脑干G P R50的水平,透射电子显微镜观察松果体的病理变化。结果:与正常组比较,模型组大鼠体质量显著减少(P<0.05,P<0.01)、上台潜伏期显著延长(P<0.05)、穿越原平台上方次数显著减少(P<0.05);戊巴比妥钠致睡眠潜伏期显著延长(P<0.05)、睡眠时间显著缩短(P<0.05);脑电图慢波睡眠第2期及快动眼睡眠比例显著减少(P<0.01);血清MT显著降低(P<0.05);脑及脑干GPR50表达显著升高(P<0.01,P<0.05);松果体超微结构出现明显病理变化。结论:狭长多平台浅水环境法可以剥夺大鼠部分深睡眠,引起大鼠记忆、睡眠行为改变,褪黑素和GPR50及松果体超微结构的变化。上述模型指标的变化可以用于研究魄不安于肺型不寐时参考。
基金Supported by Youth Fund of National Natural Science Foundation of China:No.81704183Henan Science and Technology Public relations program project:No.172102310014+1 种基金Special project of Henan province for Scientific Research of Traditional Chinese Medicine:No.2017ZY1021Special project of Henan Province for Scientific Research of Traditional Chinese Medicine:No.2018ZY1015.
文摘Objective:To explore the influence of scarring moxibustion on the changes of serum melatonin(MT)and neuropeptide Y(NPY)expressions in the insomnia model rats.Methods:A total of 40 SD rats were randomly divided into a blank group,a model group,a scarring moxibustion group,an embedding needling group and a mild moxibustion group,8 rats in each group.The intraperitoneal injection of p-chlorophenylalanine(PCPA)was adopted to establish the insomnia model rats and the corresponding interventions were given,consecutively for 6 days.Separately,before modeling and the first intervention as well as before sample collection,the body weight was measured and the serum was collected in the insomnia model rats.The enzyme linked immunosorbent assay(ELISA)was used to detect the levels of serum MT and NPY.Results:Compared with the blank group,the body weight of rat in the model group was lower(P<0.01)and the levels of MT and NPY were lower in the model group(both P<0.05).Compared with the model group,in the scarring moxibustion group,the embedding needling group and the mild moxibustion group,the body weight and the levels of MT and NPY of the insomnia model rats were all higher(all P<0.05).Compared with the embedding needling group and the mild moxibustion group,the body weight and the levels of MT and NPY the insomnia model rats were all higher in the scarring moxibustion group(all P<0.05).In comparison between the embedding needling group and the mild moxibustion group,there were no statistical differences in the body weight and the levels of MT and NPY(all P>0.05).Conclusion:The regulation mechanism of sleep-wake circadian rhythm may be related to the levels of serum MT and NPY in the insomnia model rats.Scarring moxibustion increases the levels of MT and NPY more effectively and displays the effect in the intervention as compared with embedding needling and mild moxibustion in the insomnia model rats.
