Objective:To evaluate the effects of three oxidized palm oil diets(OPD)on female rat reproductive function.Methods:Forty-four female Wistar rats presenting five consecutive and regular estrous cycles were divided into...Objective:To evaluate the effects of three oxidized palm oil diets(OPD)on female rat reproductive function.Methods:Forty-four female Wistar rats presenting five consecutive and regular estrous cycles were divided into 4 groups.The rats were fed with:a standard diet,70%of standard diet+30%oxidized palm oil diet(OPD1),OPD1+5 g of boiled yolk egg(OPD2)and OPD1+10%sucrose(OPD3)for 125 days,respectively.During the feeding period,morphometric,estrous cycle,sexual behavior,gestation,biochemical and histomorphometric parameters were evaluated.Results:All OPDs significantly increased abdominal circumference,body mass index and Lee index coupled to an irregularity and lengthening of the estrous cycle.They significantly decreased appetite and consumption behaviours,quantic pregnancy index,fertility rate,implantation sites and index,serum progesterone and high-density lipoprotein levels,increased pre-implantation losses,anti-implantation activities,serum estradiol,triglycerides,total and low-density lipoprotein-cholesterol levels,and impaired brain and ovaries oxidative status.Histomorphometric examinations revealed increases in the number of atresic and primary follicles and decreases in secondary,tertiary,Degraaf,total and corpus luteum follicles in ovaries coupled to a neurodegeneration of hypothalamic anteroventral periventricular neurons in the OPD groups compared to the standard diet group.Conclusions:The three OPDs induce obesity and impair the female reproductive function,especially OPD2 and OPD3.These findings contribute to a better understanding of the adverse effects of palm oil bleaching on the reproductive function in female rats,which could be useful in the management of women with obesity-related sexual dysfunction.展开更多
目的:研究知柏地黄汤治疗萎缩性阴道炎的疗效及对大鼠内分泌功能、生殖道衰老的影响。方法:选取10月龄SD雌性大鼠88只作为本次研究对象,将其随机分为对照1组(22只),对照2组(22只)、西药组(22只)以及中药组(22只)。对照1组行手术但不切...目的:研究知柏地黄汤治疗萎缩性阴道炎的疗效及对大鼠内分泌功能、生殖道衰老的影响。方法:选取10月龄SD雌性大鼠88只作为本次研究对象,将其随机分为对照1组(22只),对照2组(22只)、西药组(22只)以及中药组(22只)。对照1组行手术但不切除卵巢,对照2组、西药组以及中药组大鼠经卵巢切除手术建立萎缩性阴道炎动物模型。对照1组和对照2组大鼠均予以生理盐水灌胃,西药组大鼠予以戊酸雌二醇灌胃,中药组大鼠予以知柏地黄汤灌胃,所有大鼠均连续用药30 d。比较4组大鼠阴道pH值、子宫及阴道重量指数、血清卵泡生成激素、雌二醇、黄体生成激素、丙二醛、活性氧簇、超氧化物歧化酶水平。结果:对照2组、西药组大鼠阴道pH值显著高于对照1组,差异有显著性( P <0.05);对照2组、西药组及中药组大鼠血清卵泡生成激素、黄体生成激素、丙二醛、活性氧簇均显著高于对照1组,子宫及阴道重量指数、雌二醇、超氧化物歧化酶均显著低于对照1组,差异有显著性( P <0.05);西药组及中药组大鼠阴道pH值、血清卵泡生成激素、黄体生成激素、丙二醛、活性氧簇均显著低于对照2组,子宫及阴道重量指数、雌二醇、超氧化物歧化酶均显著高于对照2组,差异有显著性( P <0.05);西药组与中药组大鼠血清卵泡生成激素、雌二醇、黄体生成激素比较差异无显著性( P >0.05);中药组大鼠阴道pH值、血清丙二醛、活性氧簇显著低于西药组,子宫及阴道重量指数、超氧化物歧化酶均显著高于西药组,差异有显著性( P <0.05)。结论:知柏地黄汤在治疗萎缩性阴道炎具有良好疗效,能够有效调节大鼠内分泌功能,改善大鼠生殖道衰老情况。展开更多
文摘Objective:To evaluate the effects of three oxidized palm oil diets(OPD)on female rat reproductive function.Methods:Forty-four female Wistar rats presenting five consecutive and regular estrous cycles were divided into 4 groups.The rats were fed with:a standard diet,70%of standard diet+30%oxidized palm oil diet(OPD1),OPD1+5 g of boiled yolk egg(OPD2)and OPD1+10%sucrose(OPD3)for 125 days,respectively.During the feeding period,morphometric,estrous cycle,sexual behavior,gestation,biochemical and histomorphometric parameters were evaluated.Results:All OPDs significantly increased abdominal circumference,body mass index and Lee index coupled to an irregularity and lengthening of the estrous cycle.They significantly decreased appetite and consumption behaviours,quantic pregnancy index,fertility rate,implantation sites and index,serum progesterone and high-density lipoprotein levels,increased pre-implantation losses,anti-implantation activities,serum estradiol,triglycerides,total and low-density lipoprotein-cholesterol levels,and impaired brain and ovaries oxidative status.Histomorphometric examinations revealed increases in the number of atresic and primary follicles and decreases in secondary,tertiary,Degraaf,total and corpus luteum follicles in ovaries coupled to a neurodegeneration of hypothalamic anteroventral periventricular neurons in the OPD groups compared to the standard diet group.Conclusions:The three OPDs induce obesity and impair the female reproductive function,especially OPD2 and OPD3.These findings contribute to a better understanding of the adverse effects of palm oil bleaching on the reproductive function in female rats,which could be useful in the management of women with obesity-related sexual dysfunction.
文摘目的:研究知柏地黄汤治疗萎缩性阴道炎的疗效及对大鼠内分泌功能、生殖道衰老的影响。方法:选取10月龄SD雌性大鼠88只作为本次研究对象,将其随机分为对照1组(22只),对照2组(22只)、西药组(22只)以及中药组(22只)。对照1组行手术但不切除卵巢,对照2组、西药组以及中药组大鼠经卵巢切除手术建立萎缩性阴道炎动物模型。对照1组和对照2组大鼠均予以生理盐水灌胃,西药组大鼠予以戊酸雌二醇灌胃,中药组大鼠予以知柏地黄汤灌胃,所有大鼠均连续用药30 d。比较4组大鼠阴道pH值、子宫及阴道重量指数、血清卵泡生成激素、雌二醇、黄体生成激素、丙二醛、活性氧簇、超氧化物歧化酶水平。结果:对照2组、西药组大鼠阴道pH值显著高于对照1组,差异有显著性( P <0.05);对照2组、西药组及中药组大鼠血清卵泡生成激素、黄体生成激素、丙二醛、活性氧簇均显著高于对照1组,子宫及阴道重量指数、雌二醇、超氧化物歧化酶均显著低于对照1组,差异有显著性( P <0.05);西药组及中药组大鼠阴道pH值、血清卵泡生成激素、黄体生成激素、丙二醛、活性氧簇均显著低于对照2组,子宫及阴道重量指数、雌二醇、超氧化物歧化酶均显著高于对照2组,差异有显著性( P <0.05);西药组与中药组大鼠血清卵泡生成激素、雌二醇、黄体生成激素比较差异无显著性( P >0.05);中药组大鼠阴道pH值、血清丙二醛、活性氧簇显著低于西药组,子宫及阴道重量指数、超氧化物歧化酶均显著高于西药组,差异有显著性( P <0.05)。结论:知柏地黄汤在治疗萎缩性阴道炎具有良好疗效,能够有效调节大鼠内分泌功能,改善大鼠生殖道衰老情况。