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急性低血糖大鼠血清FT_3、FT_4、TSH水平及下丘脑组织TRH表达变化 被引量:3

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摘要 目的观察急性低血糖大鼠血清游离三碘甲状腺原氨酸(FT3)、游离甲状腺素(FT4)、促甲状腺激素(TSH)水平及下丘脑组织促甲状腺激素释放激素(TRH)表达的变化。方法 Wistar大鼠21只,根据血糖水平分为正常血糖组、轻度低血糖组、重度低血糖组3组,每组7只,后两组腹腔注射短效胰岛素诱导急性低血糖,轻度低血糖组血糖2.0~2.64mmol/L,重度低血糖组血糖〈2.0 mmol/L。化学发光免疫法检测各组大鼠血清FT3、FT4、TSH,Western blotting法、实时荧光定量PCR法分别检测各组大鼠下丘脑组织中的TRH蛋白及mRNA。结果正常血糖组、轻度低血糖组、重度低血糖组FT3分别为(5.05±1.40)、(4.82±1.22)、(4.92±1.08)pmol/L,FT4分别为(2.45±0.26)、(2.19±0.11)、(2.30±0.21)pmol/L,TSH分别为(0.16±0.10)、(0.05±0.03)、(0.04±0.04)μIU/m L,轻度低血糖组、重度低血糖组分别与正常血糖组FT4、TSH比较,P均〈0.05。正常血糖组、轻度低血糖组、重度低血糖组TRH蛋白分别为0.66±0.01、0.34±0.01、0.52±0.07,TRH mRNA分别为1.44±0.10、0.54±0.04、2.42±0.97,轻度低血糖组、重度低血糖组分别与正常血糖组比较,轻度低血糖组与重度低血糖组比较,P均〈0.05。结论急性低血糖大鼠血清FT4、TSH水平降低,FT3不变,下丘脑组织中TRH蛋白表达降低,TRH mRNA表达先降低后升高。
作者 屈丹 姜雅秋
出处 《山东医药》 CAS 北大核心 2015年第31期30-32,共3页 Shandong Medical Journal
基金 辽宁省科学技术计划重大 重点项目(2012225021)
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同被引文献28

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