目的:评估11β-羟基类固醇脱氢酶1(11β-hydroxysteroid dehydrogenase type 1,11β-HSD1)抑制剂BVT.2733对肥胖小鼠骨骼肌、肝脏、肾脏、心肌和脾脏中代谢和炎症相关基因表达的影响。方法:构建高脂饮食诱导的肥胖小鼠模型,分为正常饮...目的:评估11β-羟基类固醇脱氢酶1(11β-hydroxysteroid dehydrogenase type 1,11β-HSD1)抑制剂BVT.2733对肥胖小鼠骨骼肌、肝脏、肾脏、心肌和脾脏中代谢和炎症相关基因表达的影响。方法:构建高脂饮食诱导的肥胖小鼠模型,分为正常饮食组、高脂饮食组和高脂饮食+BVT.2733处理组。采用RT-PCR检测骨骼肌、心肌、肝脏、肾脏和脾脏中的代谢及炎症相关基因的表达。结果:在代谢方面,BVT.2733可促进骨骼肌和心肌的代谢指标UCP2和GLUT4的表达,同时,BVT.2733可抑制肝脏的脂质合成关键酶SREBP和FAS的表达,并可以使肾脏的葡萄糖重吸收蛋白SGLT1和SGLT2表达降低。在炎症方面,BVT.2733可显著抑制脾脏的IFN-γ、IL-13、IL-4和IL-5的表达,同时可减少骨骼肌和心肌炎症因子的表达。结论:BVT.2733对肥胖小鼠的骨骼肌、肝脏、肾脏、心肌和脾脏的代谢及炎症相关基因的表达有显著影响。展开更多
目的研究原发性高血压(essential hypertension,EH)患者11β-类固醇脱氢酶2(11 beta-hydroxysteroid dehydrogenase type 2,11β-HSD2)基因甲基化表达,探讨原发性高血压的发病机制。方法选取2018年1月至2019年6月在佳木斯医学院第一附...目的研究原发性高血压(essential hypertension,EH)患者11β-类固醇脱氢酶2(11 beta-hydroxysteroid dehydrogenase type 2,11β-HSD2)基因甲基化表达,探讨原发性高血压的发病机制。方法选取2018年1月至2019年6月在佳木斯医学院第一附属医院未经治疗的EH患者71例为EH组,选取我院体检的50例健康志愿者为正常对照组,应用甲基化特异性PCR(methylation specific PCR,MSP)方法检测所有入选研究对象11β-HSD2基因甲基化表达。结果EH组和对照组11β-HSD2基因甲基化表达比较,差异具有统计学意义(P<0.05)。结论11β-HSD2基因甲基化参与EH的发生。展开更多
Objective:To observe the effects of long-snake moxibustion on the hypothalamic-pituitary-adrenocortical(HPA)axis and hepatic 11β-hydroxy steroid dehydrogenase type 1(11β-HSD1)expression in rats with kidney yang defi...Objective:To observe the effects of long-snake moxibustion on the hypothalamic-pituitary-adrenocortical(HPA)axis and hepatic 11β-hydroxy steroid dehydrogenase type 1(11β-HSD1)expression in rats with kidney yang deficiency to provide a basis for later in-depth exploration of the action mechanism of longsnakemoxibustion on suchrats.Methods:Fifteen SPF-grade,male,SD rats were randomly divided into a blank control group,a model group,and a long-snake moxibustion treatment group,with five rats in each group.Hydrocortisone powder(30 mg/kg)was administered by gavage at a volume of 10 mL/kg to prepare the rat model of kidney yang deficiency.After successful modeling,the rats in the long-snake moxibustion treatment group underwent long-snake moxibustion treatment every other day along the governor vessel from Dazhui(GV14)to Shenshu(BL23),for a period of 14 days.The remaining two groups were secured in the same way as the long-snake moxibustion treatment group,although they did not receive any treatment.The body weight,rectal temperature,and spontaneous activity count of the rats,as well as serum levels of corticotropin releasing hormone(CRH)and corticosterone(CORT)were detected by ELISA before modeling,after modeling,and after treatment.The amount of 11β-HSD1 protein in rat liver was determined by immunohistochemistry and Western blot analysis.Results:Compared with the rats in the blank control group,those in the model group exhibited a significant decrease in the trend of body weight growth and in rectal temperature(P<0.05),as well as a slight yet non-significant decrease in spontaneous activity count(P>0.05);compared with the rats in the model group,the rats in the treatment group exhibited a significant increase in rectal temperature(P<0.05)and in spontaneous activity count(P<0.05).Moreover,after 14 days of treatment,compared with the rats in the blank,the rats in the model group exhibited a significant decrease in serum cORT content(P<0.05)and in the expression of 11β-HSD1 in the liver(P<0.05),as well as a slight yet non-significant decrease in serum CRH content(P>0.05);compared with the rats in the model group,the rats in the treatment group exhibited a significant increase in serum CRH content(P<0.05)and in the expression of 11β-HSD1 in the liver(P<0.05),as well as a slight yet non-significant increase in serum CORT content(P>0.05).Conclusion:Long-snake moxibustion can increase the rectal temperature and spontaneous activity count of rats with kidney yang deficiency,improve the function of the HPA axis,and increase the expression of 11β-HSD1 in the liver.展开更多
Obesity is increasingly prevalent globally, searching for therapeutic agents acting on adipose tissue is of great importance. Equisetin(EQST), a meroterpenoid isolated from a marine sponge-derived fungus, has been rep...Obesity is increasingly prevalent globally, searching for therapeutic agents acting on adipose tissue is of great importance. Equisetin(EQST), a meroterpenoid isolated from a marine sponge-derived fungus, has been reported to display antibacterial and antiviral activities. Here, we revealed that EQST displayed anti-obesity effects acting on adipose tissue through inhibiting adipogenesis in vitro and attenuating HFD-induced obesity in mice, doing so without affecting food intake, blood pressure or heart rate.We demonstrated that EQST inhibited the enzyme activity of 11β-hydroxysteroid dehydrogenase type 1(11β-HSD1), a therapeutic target of obesity in adipose tissue. Anti-obesity properties of EQST were all offset by applying excessive 11β-HSD1’s substrates and 11β-HSD1 inhibition through knockdown in vitro or 11β-HSD1 knockout in vivo. In the 11β-HSD1 bypass model constructed by adding excess11β-HSD1 products, EQST’s anti-obesity effects disappeared. Furthermore, EQST directly bond to11β-HSD1 protein and presented remarkable better intensity on 11β-HSD1 inhibition and better efficacy on anti-obesity than known 11β-HSD1 inhibitor. Therefore, EQST can be developed into anti-obesity candidate compound, and this study may provide more clues for developing higher effective 11β-HSD1 inhibitors.展开更多
文摘目的:评估11β-羟基类固醇脱氢酶1(11β-hydroxysteroid dehydrogenase type 1,11β-HSD1)抑制剂BVT.2733对肥胖小鼠骨骼肌、肝脏、肾脏、心肌和脾脏中代谢和炎症相关基因表达的影响。方法:构建高脂饮食诱导的肥胖小鼠模型,分为正常饮食组、高脂饮食组和高脂饮食+BVT.2733处理组。采用RT-PCR检测骨骼肌、心肌、肝脏、肾脏和脾脏中的代谢及炎症相关基因的表达。结果:在代谢方面,BVT.2733可促进骨骼肌和心肌的代谢指标UCP2和GLUT4的表达,同时,BVT.2733可抑制肝脏的脂质合成关键酶SREBP和FAS的表达,并可以使肾脏的葡萄糖重吸收蛋白SGLT1和SGLT2表达降低。在炎症方面,BVT.2733可显著抑制脾脏的IFN-γ、IL-13、IL-4和IL-5的表达,同时可减少骨骼肌和心肌炎症因子的表达。结论:BVT.2733对肥胖小鼠的骨骼肌、肝脏、肾脏、心肌和脾脏的代谢及炎症相关基因的表达有显著影响。
文摘目的研究原发性高血压(essential hypertension,EH)患者11β-类固醇脱氢酶2(11 beta-hydroxysteroid dehydrogenase type 2,11β-HSD2)基因甲基化表达,探讨原发性高血压的发病机制。方法选取2018年1月至2019年6月在佳木斯医学院第一附属医院未经治疗的EH患者71例为EH组,选取我院体检的50例健康志愿者为正常对照组,应用甲基化特异性PCR(methylation specific PCR,MSP)方法检测所有入选研究对象11β-HSD2基因甲基化表达。结果EH组和对照组11β-HSD2基因甲基化表达比较,差异具有统计学意义(P<0.05)。结论11β-HSD2基因甲基化参与EH的发生。
基金Supported by National Natural Science Foundation of China:81960900。
文摘Objective:To observe the effects of long-snake moxibustion on the hypothalamic-pituitary-adrenocortical(HPA)axis and hepatic 11β-hydroxy steroid dehydrogenase type 1(11β-HSD1)expression in rats with kidney yang deficiency to provide a basis for later in-depth exploration of the action mechanism of longsnakemoxibustion on suchrats.Methods:Fifteen SPF-grade,male,SD rats were randomly divided into a blank control group,a model group,and a long-snake moxibustion treatment group,with five rats in each group.Hydrocortisone powder(30 mg/kg)was administered by gavage at a volume of 10 mL/kg to prepare the rat model of kidney yang deficiency.After successful modeling,the rats in the long-snake moxibustion treatment group underwent long-snake moxibustion treatment every other day along the governor vessel from Dazhui(GV14)to Shenshu(BL23),for a period of 14 days.The remaining two groups were secured in the same way as the long-snake moxibustion treatment group,although they did not receive any treatment.The body weight,rectal temperature,and spontaneous activity count of the rats,as well as serum levels of corticotropin releasing hormone(CRH)and corticosterone(CORT)were detected by ELISA before modeling,after modeling,and after treatment.The amount of 11β-HSD1 protein in rat liver was determined by immunohistochemistry and Western blot analysis.Results:Compared with the rats in the blank control group,those in the model group exhibited a significant decrease in the trend of body weight growth and in rectal temperature(P<0.05),as well as a slight yet non-significant decrease in spontaneous activity count(P>0.05);compared with the rats in the model group,the rats in the treatment group exhibited a significant increase in rectal temperature(P<0.05)and in spontaneous activity count(P<0.05).Moreover,after 14 days of treatment,compared with the rats in the blank,the rats in the model group exhibited a significant decrease in serum cORT content(P<0.05)and in the expression of 11β-HSD1 in the liver(P<0.05),as well as a slight yet non-significant decrease in serum CRH content(P>0.05);compared with the rats in the model group,the rats in the treatment group exhibited a significant increase in serum CRH content(P<0.05)and in the expression of 11β-HSD1 in the liver(P<0.05),as well as a slight yet non-significant increase in serum CORT content(P>0.05).Conclusion:Long-snake moxibustion can increase the rectal temperature and spontaneous activity count of rats with kidney yang deficiency,improve the function of the HPA axis,and increase the expression of 11β-HSD1 in the liver.
基金supported by the following grants:CXYJ-2021-04 from the Research Foundation of Capital Institute of Pediatrics(China)81573436 from National Natural Science Foundation of China2018ZX09711-001-001-016 from the Found of the National New Drug Innovation Major Project of China。
文摘Obesity is increasingly prevalent globally, searching for therapeutic agents acting on adipose tissue is of great importance. Equisetin(EQST), a meroterpenoid isolated from a marine sponge-derived fungus, has been reported to display antibacterial and antiviral activities. Here, we revealed that EQST displayed anti-obesity effects acting on adipose tissue through inhibiting adipogenesis in vitro and attenuating HFD-induced obesity in mice, doing so without affecting food intake, blood pressure or heart rate.We demonstrated that EQST inhibited the enzyme activity of 11β-hydroxysteroid dehydrogenase type 1(11β-HSD1), a therapeutic target of obesity in adipose tissue. Anti-obesity properties of EQST were all offset by applying excessive 11β-HSD1’s substrates and 11β-HSD1 inhibition through knockdown in vitro or 11β-HSD1 knockout in vivo. In the 11β-HSD1 bypass model constructed by adding excess11β-HSD1 products, EQST’s anti-obesity effects disappeared. Furthermore, EQST directly bond to11β-HSD1 protein and presented remarkable better intensity on 11β-HSD1 inhibition and better efficacy on anti-obesity than known 11β-HSD1 inhibitor. Therefore, EQST can be developed into anti-obesity candidate compound, and this study may provide more clues for developing higher effective 11β-HSD1 inhibitors.
