Purpose: Can Cortisol Releasing Hormone (CRH) levels in follicular fluid predict outcomes following assisted reproductive treatment (ART) cycles? Methods: Prospective cohort study of 50 women undergoing in vitro ferti...Purpose: Can Cortisol Releasing Hormone (CRH) levels in follicular fluid predict outcomes following assisted reproductive treatment (ART) cycles? Methods: Prospective cohort study of 50 women undergoing in vitro fertilisation (IVF)/intra-cytoplasmic sperm injection (ICSI) cycles over a two month study period. All patients were treated on the long stimulation protocol;follicular fluid was aspirated and pooled for each patient. The samples were processed appropriately and assayed using CRH radioimmunoassay (RIA). Results: This study confirmed that CRH was present in follicular fluid. The average level detected was 173 ± 9 pg/mL (mean ± standard error of mean [SEM]). The data suggests a positive correlation of CRH follicular fluid levels greater than 145 pg/mL with successful ART outcomes. Conclusion: The data indicates a positive correlation between ART outcomes and the presence of follicular fluid CRH levels greater than 145 pg/mL. The results should be interpreted with caution due to the small sample size and pooling of follicular fluid per patient. Furthermore, the pooling of follicular fluid is not representative of CRH levels in an individual follicle, and thus, mature oocyte. This study serves as a reminder to what has previously been hypothesised.展开更多
目的观察电针百会、风府穴对焦虑模型大鼠行为学及脑源性神经营养因子(Brain-derived neuro⁃trophic factor,BDNF)、促肾上腺皮质释放激素(Corticotropin releasing hormone,CRH)、皮质醇(Cortisol,CORT)表达的影响,探讨针刺治疗焦虑障...目的观察电针百会、风府穴对焦虑模型大鼠行为学及脑源性神经营养因子(Brain-derived neuro⁃trophic factor,BDNF)、促肾上腺皮质释放激素(Corticotropin releasing hormone,CRH)、皮质醇(Cortisol,CORT)表达的影响,探讨针刺治疗焦虑障碍效应及作用机制。方法将30只SPF级SD雄性大鼠按随机数字表法分为正常组、模型组、电针组,每组各10只。采用慢性不可预见性应激刺激法制备焦虑大鼠模型。电针组取“百会”“风府”穴进行电针操作,隔日1次,20 min/次,造模与干预共计15 d。15 d后,采用高架十字迷宫实验(Elevated plus maze,EPM)和自发活动旷场实验(Open field test,OFT)测试大鼠行为学变化,HE染色法观察大鼠海马形态,免疫组化法观察海马组织内BDNF蛋白表达,酶联免疫吸附法检测血清BDNF、CRH与CORT的含量。结果与正常组比较,模型组大鼠进入开臂次数百分比(The percentage of open arm entry,OE%)、开臂停留时间百分比(The per⁃centage of open arm time,OT%)明显降低,差异有统计学意义(P<0.05),水平得分、垂直得分明显下降,差异有统计学意义(P<0.01),血清BDNF、CRH、CORT含量明显升高,差异有统计学意义(P<0.01),海马神经元数量和BDNF蛋白阳性明显减少,差异有统计学意义(P<0.05);与模型组比较,电针组OE%、OT%值明显升高,差异有统计学意义(P<0.01),水平得分、垂直得分明显升高,差异有统计学意义(P<0.01),海马神经元数量和BDNF蛋白阳性含量明显增加,差异有统计学意义(P<0.05),血清BDNF、CRH、CORT含量明显降低,差异有统计学意义(P<0.01)。结论电针可改善焦虑大鼠的焦虑样行为症状,其抗焦虑的机制可能与上调海马BDNF水平,抑制血清中BDNF、CORT、CRH的表达,使下丘脑-垂体-肾上腺(Hypothalamic–pituitary–adrenal,HPA)轴亢进受抑有关。展开更多
目的:探讨褪黑素(MLT)对足部电击所致创伤后应激障碍(PTSD)大鼠下丘脑-垂体-肾上腺(HPA)轴的影响。方法:利用足底电击法制备大鼠PTSD模型,通过腹腔注射方法给予治疗组大鼠MLT。通过拒俘反应测试检测大鼠的行为学变化,利用real time RT-...目的:探讨褪黑素(MLT)对足部电击所致创伤后应激障碍(PTSD)大鼠下丘脑-垂体-肾上腺(HPA)轴的影响。方法:利用足底电击法制备大鼠PTSD模型,通过腹腔注射方法给予治疗组大鼠MLT。通过拒俘反应测试检测大鼠的行为学变化,利用real time RT-PCR方法检测下丘脑中促肾上腺皮质激素释放激素(CRH)mRNA的表达,利用酶联免疫吸附试验(ELISA)检测血清中促肾上腺皮质激素(ACTH)、肾上腺素(EPI)和糖皮质激素(GC)的含量。结果:PTSD组大鼠拒俘反应明显(P<0.05),下丘脑中CRH mRNA表达升高(P<0.05),血清中ACTH和EPI明显升高(P<0.05),但是GC水平下降(P<0.05)。MLT治疗后可以明显缓解PTSD大鼠拒俘反应(P<0.05),同时降低下丘脑中CRH mRNA表达(P<0.05),降低血清中ACTH和EPI水平并升高GC的水平(P<0.05)。结论:MLT治疗可缓解PTSD大鼠的症状,并恢复HPA轴的神经内分泌平衡。展开更多
文摘Purpose: Can Cortisol Releasing Hormone (CRH) levels in follicular fluid predict outcomes following assisted reproductive treatment (ART) cycles? Methods: Prospective cohort study of 50 women undergoing in vitro fertilisation (IVF)/intra-cytoplasmic sperm injection (ICSI) cycles over a two month study period. All patients were treated on the long stimulation protocol;follicular fluid was aspirated and pooled for each patient. The samples were processed appropriately and assayed using CRH radioimmunoassay (RIA). Results: This study confirmed that CRH was present in follicular fluid. The average level detected was 173 ± 9 pg/mL (mean ± standard error of mean [SEM]). The data suggests a positive correlation of CRH follicular fluid levels greater than 145 pg/mL with successful ART outcomes. Conclusion: The data indicates a positive correlation between ART outcomes and the presence of follicular fluid CRH levels greater than 145 pg/mL. The results should be interpreted with caution due to the small sample size and pooling of follicular fluid per patient. Furthermore, the pooling of follicular fluid is not representative of CRH levels in an individual follicle, and thus, mature oocyte. This study serves as a reminder to what has previously been hypothesised.
文摘目的观察电针百会、风府穴对焦虑模型大鼠行为学及脑源性神经营养因子(Brain-derived neuro⁃trophic factor,BDNF)、促肾上腺皮质释放激素(Corticotropin releasing hormone,CRH)、皮质醇(Cortisol,CORT)表达的影响,探讨针刺治疗焦虑障碍效应及作用机制。方法将30只SPF级SD雄性大鼠按随机数字表法分为正常组、模型组、电针组,每组各10只。采用慢性不可预见性应激刺激法制备焦虑大鼠模型。电针组取“百会”“风府”穴进行电针操作,隔日1次,20 min/次,造模与干预共计15 d。15 d后,采用高架十字迷宫实验(Elevated plus maze,EPM)和自发活动旷场实验(Open field test,OFT)测试大鼠行为学变化,HE染色法观察大鼠海马形态,免疫组化法观察海马组织内BDNF蛋白表达,酶联免疫吸附法检测血清BDNF、CRH与CORT的含量。结果与正常组比较,模型组大鼠进入开臂次数百分比(The percentage of open arm entry,OE%)、开臂停留时间百分比(The per⁃centage of open arm time,OT%)明显降低,差异有统计学意义(P<0.05),水平得分、垂直得分明显下降,差异有统计学意义(P<0.01),血清BDNF、CRH、CORT含量明显升高,差异有统计学意义(P<0.01),海马神经元数量和BDNF蛋白阳性明显减少,差异有统计学意义(P<0.05);与模型组比较,电针组OE%、OT%值明显升高,差异有统计学意义(P<0.01),水平得分、垂直得分明显升高,差异有统计学意义(P<0.01),海马神经元数量和BDNF蛋白阳性含量明显增加,差异有统计学意义(P<0.05),血清BDNF、CRH、CORT含量明显降低,差异有统计学意义(P<0.01)。结论电针可改善焦虑大鼠的焦虑样行为症状,其抗焦虑的机制可能与上调海马BDNF水平,抑制血清中BDNF、CORT、CRH的表达,使下丘脑-垂体-肾上腺(Hypothalamic–pituitary–adrenal,HPA)轴亢进受抑有关。
文摘目的:探讨褪黑素(MLT)对足部电击所致创伤后应激障碍(PTSD)大鼠下丘脑-垂体-肾上腺(HPA)轴的影响。方法:利用足底电击法制备大鼠PTSD模型,通过腹腔注射方法给予治疗组大鼠MLT。通过拒俘反应测试检测大鼠的行为学变化,利用real time RT-PCR方法检测下丘脑中促肾上腺皮质激素释放激素(CRH)mRNA的表达,利用酶联免疫吸附试验(ELISA)检测血清中促肾上腺皮质激素(ACTH)、肾上腺素(EPI)和糖皮质激素(GC)的含量。结果:PTSD组大鼠拒俘反应明显(P<0.05),下丘脑中CRH mRNA表达升高(P<0.05),血清中ACTH和EPI明显升高(P<0.05),但是GC水平下降(P<0.05)。MLT治疗后可以明显缓解PTSD大鼠拒俘反应(P<0.05),同时降低下丘脑中CRH mRNA表达(P<0.05),降低血清中ACTH和EPI水平并升高GC的水平(P<0.05)。结论:MLT治疗可缓解PTSD大鼠的症状,并恢复HPA轴的神经内分泌平衡。
