目的:探讨11-βhydroxysteroid dehydrogenase type 1(11-βHSD1)在肥胖发生过程中的作用。方法:建立饮食诱导的肥胖(DIO)大鼠模型,应用Western blotting方法检测各组织11-βHSD1的蛋白表达,同时应用实时定量PCR检测LPL、re-sistin、FA...目的:探讨11-βhydroxysteroid dehydrogenase type 1(11-βHSD1)在肥胖发生过程中的作用。方法:建立饮食诱导的肥胖(DIO)大鼠模型,应用Western blotting方法检测各组织11-βHSD1的蛋白表达,同时应用实时定量PCR检测LPL、re-sistin、FAS等肥胖相关基因的表达,采用放射免疫分析法检测血糖、血脂、胰岛素、TNFα等指标。结果:DIO组大鼠体重、体脂明显高于正常组,DIO组大鼠脂肪、脑、骨骼肌的11-βHSD1表达明显高于正常组,肥胖相关基因LPLr、esistin、FAS等在DIO组内脏脂肪的表达高于正常组,外周血脂、胰岛素DIO组高于正常组,但血糖、TNF-α两组间无明显差异。结论:11-βHSD1在饮食诱导性肥胖大鼠相关组织的表达高于正常组,具有组织特异性;11-βHSD1在内脏脂肪组织的高表达促进肥胖的发生。展开更多
A 16-year-old "female" patient presented as hypertension,hypokalemia,male pseudohermaphroditism,lowered gonadal steroids and cortisol,elevated adre nocorticotropic hormone and pituitary gonadotropin,and 46 X...A 16-year-old "female" patient presented as hypertension,hypokalemia,male pseudohermaphroditism,lowered gonadal steroids and cortisol,elevated adre nocorticotropic hormone and pituitary gonadotropin,and 46 XY karyotype.The pat ient was diagnosed as 17α-hydroxylase deficiency,a rare case of congenital ad r enal hyperplasia."She" chose to remain female appearance and social gender af te r negotiation with the parents.Cryptor-chidism of both inguinal canals was surgi cally removed for preventing canceration.After the surgery,a very small daily dose of dexamethasone(0.187 5 mg at bedtime)was enough to control hypertension and hypokalemia,and the therapy of conjugated estrogens(Premarin)was given t o promote the development of female characters.After 6 months of treatment,nor motension and normokalemia remained,and pubarche and mammogenesis emerged.展开更多
文摘目的:探讨11-βhydroxysteroid dehydrogenase type 1(11-βHSD1)在肥胖发生过程中的作用。方法:建立饮食诱导的肥胖(DIO)大鼠模型,应用Western blotting方法检测各组织11-βHSD1的蛋白表达,同时应用实时定量PCR检测LPL、re-sistin、FAS等肥胖相关基因的表达,采用放射免疫分析法检测血糖、血脂、胰岛素、TNFα等指标。结果:DIO组大鼠体重、体脂明显高于正常组,DIO组大鼠脂肪、脑、骨骼肌的11-βHSD1表达明显高于正常组,肥胖相关基因LPLr、esistin、FAS等在DIO组内脏脂肪的表达高于正常组,外周血脂、胰岛素DIO组高于正常组,但血糖、TNF-α两组间无明显差异。结论:11-βHSD1在饮食诱导性肥胖大鼠相关组织的表达高于正常组,具有组织特异性;11-βHSD1在内脏脂肪组织的高表达促进肥胖的发生。
文摘A 16-year-old "female" patient presented as hypertension,hypokalemia,male pseudohermaphroditism,lowered gonadal steroids and cortisol,elevated adre nocorticotropic hormone and pituitary gonadotropin,and 46 XY karyotype.The pat ient was diagnosed as 17α-hydroxylase deficiency,a rare case of congenital ad r enal hyperplasia."She" chose to remain female appearance and social gender af te r negotiation with the parents.Cryptor-chidism of both inguinal canals was surgi cally removed for preventing canceration.After the surgery,a very small daily dose of dexamethasone(0.187 5 mg at bedtime)was enough to control hypertension and hypokalemia,and the therapy of conjugated estrogens(Premarin)was given t o promote the development of female characters.After 6 months of treatment,nor motension and normokalemia remained,and pubarche and mammogenesis emerged.
