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甲状腺素对大鼠性腺内分泌作用及机制的影响
引用本文:康白,韩慧蓉,王金红,李淑伟.甲状腺素对大鼠性腺内分泌作用及机制的影响[J].中国医药,2009,4(1):12-13.
作者姓名:康白  韩慧蓉  王金红  李淑伟
作者单位:潍坊医学院应用药理学实验室,261042
基金项目:山东省卫生厅资助项目 
摘    要:目的研究甲状腺素对大鼠垂体-卵巢轴内分泌功能及作用机制。方法采用放射免疫测定法,观察甲状腺素不同含量对大鼠血清黄体生成素(LH)、卵巢刺激素(FSH)、雌二醇(E2)、孕酮(P)、肿瘤坏死因子(TNF)、白细胞介素-1β(IL-1β)水平的影响。结果左旋甲状腺素钠(T4)0.1mg/(kg·d)可显著降低大鼠血清LH水平(P〈0.01),而FSH、E2、P、TNF、IL-1β含量均未受明显影响(P〉0.05)。T4 0.6mg/(kg·d)可使大鼠血清LH、E2、P水平明显降低(P〈0.01),而FSH含量变化无统计学意义(P〉0.05),使IL-1β水平显著升高。结论甲状腺素大剂量长期应用对大鼠垂体-卵巢轴内分泌功能均有抑制作用,其机制与细胞因子IL-1β分泌增多有关。

关 键 词:内分泌  甲状腺素  性腺

Effects of thyroxine on gonad endocrine function in rats
KANG Bai,HAN Huirong,WANG Jinhong,LI Shuwei.Effects of thyroxine on gonad endocrine function in rats[J].China Medicine,2009,4(1):12-13.
Authors:KANG Bai  HAN Huirong  WANG Jinhong  LI Shuwei
Institution:KANG Bai , HAN Hui-rong, WANG Jin-hong, LI Shu- wei( Laboratory of Applied Pharmacology, Weifang Medical College, Shandong Province, Weifang 261042, China)
Abstract:Objective To study the effects of thyroxine(T4)on pituitary-ovary axis in rats and its mechanism.Methods The serum LH,FSH,E2,P,IL-1βand TNF concentration was measured with radioimmunoassayE2、P concentration while increased serum IL-1βconcentration significantly in rats(P<0.01).Conclusion T4 had an inhibiting effect on endocrine function of pituitary-ovary axis in rats by large dose T4 and using for long time.The mechanism is related to the increasing of IL-1 secretion in rats.
Keywords:Endocrine  Thyroxine  Gonad
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