泽泻醇提物对亚临床性甲状腺功能减退症母鼠甲状腺功能及仔鼠神经功能的作用及其机制
R965.1; 目的 探讨泽泻醇提物对亚临床性甲状腺功能减退症(SCH)母鼠甲状腺功能及仔鼠神经功能的作用及其可能的机制.方法 取85只8周龄SPF级Wistar雌鼠,其中15只行假手术处理作为假手术组,另70只采用甲状腺切除+皮下注射左旋甲状腺素(L-T4)制备SCH模型,造模成功62只,随机分为模型组(n=15,等体积生理盐水)、低剂量泽泻醇提物组(n=15,9 g/kg泽泻醇提物灌胃)、高剂量泽泻醇提物组(n=16,36 g/kg泽泻醇提物灌胃)、L-T4组(n=16,4.5μg/kg L-T4灌胃),1次/d,干预时间为妊娠10 d(E10)至仔鼠出生后21 d(P21).E17时,采...
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| Published in | 解放军医学杂志 Vol. 48; no. 2; pp. 183 - 189 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
青海省人民医院产科,青海西宁 810000
2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0577-7402 |
| DOI | 10.11855/j.issn.0577-7402.2023.02.0183 |
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| Abstract | R965.1; 目的 探讨泽泻醇提物对亚临床性甲状腺功能减退症(SCH)母鼠甲状腺功能及仔鼠神经功能的作用及其可能的机制.方法 取85只8周龄SPF级Wistar雌鼠,其中15只行假手术处理作为假手术组,另70只采用甲状腺切除+皮下注射左旋甲状腺素(L-T4)制备SCH模型,造模成功62只,随机分为模型组(n=15,等体积生理盐水)、低剂量泽泻醇提物组(n=15,9 g/kg泽泻醇提物灌胃)、高剂量泽泻醇提物组(n=16,36 g/kg泽泻醇提物灌胃)、L-T4组(n=16,4.5μg/kg L-T4灌胃),1次/d,干预时间为妊娠10 d(E10)至仔鼠出生后21 d(P21).E17时,采用电化学发光法检测母鼠血清促甲状腺素(TSH)、甲状腺素(T4)水平.P21时,ELISA法检测仔鼠海马组织神经生长因子(NGF)、脑源性神经营养因子(BDNF)水平,Western blotting检测仔鼠海马组织原肌球蛋白受体激酶A(TrkA)、p-TrkA、环磷腺苷效应元件结合蛋白(CREB)、p-CREB蛋白表达水平.P40时,采用定位巡航实验测定仔鼠的逃避潜伏期;P41时,采用空间探索实验检测仔鼠穿越平台的次数.结果 E17时,5组母鼠的血清T4比较差异无统计学意义(P>0.05);低、高剂量泽泻醇提物组及L-T4组母鼠血清TSH水平明显低于模型组,高剂量泽泻醇提物组、L-T4组血清TSH水平明显低于低剂量泽泻醇提物组(P<0.05),而高剂量泽泻醇提物组与L-T4组血清TSH水平比较差异无统计学意义(P>0.05).P21时,低、高剂量泽泻醇提物组及L-T4组仔鼠海马组织NGF、BDNF、p-TrkA、p-CREB水平明显高于模型组,高剂量泽泻醇提物组、L-T4组海马组织NGF、BDNF、p-TrkA、p-CREB水平明显高于低剂量泽泻醇提物组(P<0.05),而高剂量泽泻醇提物组与L-T4组海马组织NGF、BDNF水平比较差异无统计学意义(P>0.05).低、高剂量泽泻醇提物组及L-T4组仔鼠逃避潜伏期短于模型组,穿越平台次数多于模型组(P<0.05);高剂量泽泻醇提物组、L-T4组仔鼠逃避潜伏期短于低剂量泽泻醇提物组,穿越平台次数多于低剂量泽泻醇提物组(P<0.05);高剂量泽泻醇提物组与L-T4组仔鼠逃避潜伏期、穿越平台次数比较差异无统计学意义(P>0.05).结论 泽泻醇提物可改善SCH母鼠甲状腺功能,促 |
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| AbstractList | R965.1; 目的 探讨泽泻醇提物对亚临床性甲状腺功能减退症(SCH)母鼠甲状腺功能及仔鼠神经功能的作用及其可能的机制.方法 取85只8周龄SPF级Wistar雌鼠,其中15只行假手术处理作为假手术组,另70只采用甲状腺切除+皮下注射左旋甲状腺素(L-T4)制备SCH模型,造模成功62只,随机分为模型组(n=15,等体积生理盐水)、低剂量泽泻醇提物组(n=15,9 g/kg泽泻醇提物灌胃)、高剂量泽泻醇提物组(n=16,36 g/kg泽泻醇提物灌胃)、L-T4组(n=16,4.5μg/kg L-T4灌胃),1次/d,干预时间为妊娠10 d(E10)至仔鼠出生后21 d(P21).E17时,采用电化学发光法检测母鼠血清促甲状腺素(TSH)、甲状腺素(T4)水平.P21时,ELISA法检测仔鼠海马组织神经生长因子(NGF)、脑源性神经营养因子(BDNF)水平,Western blotting检测仔鼠海马组织原肌球蛋白受体激酶A(TrkA)、p-TrkA、环磷腺苷效应元件结合蛋白(CREB)、p-CREB蛋白表达水平.P40时,采用定位巡航实验测定仔鼠的逃避潜伏期;P41时,采用空间探索实验检测仔鼠穿越平台的次数.结果 E17时,5组母鼠的血清T4比较差异无统计学意义(P>0.05);低、高剂量泽泻醇提物组及L-T4组母鼠血清TSH水平明显低于模型组,高剂量泽泻醇提物组、L-T4组血清TSH水平明显低于低剂量泽泻醇提物组(P<0.05),而高剂量泽泻醇提物组与L-T4组血清TSH水平比较差异无统计学意义(P>0.05).P21时,低、高剂量泽泻醇提物组及L-T4组仔鼠海马组织NGF、BDNF、p-TrkA、p-CREB水平明显高于模型组,高剂量泽泻醇提物组、L-T4组海马组织NGF、BDNF、p-TrkA、p-CREB水平明显高于低剂量泽泻醇提物组(P<0.05),而高剂量泽泻醇提物组与L-T4组海马组织NGF、BDNF水平比较差异无统计学意义(P>0.05).低、高剂量泽泻醇提物组及L-T4组仔鼠逃避潜伏期短于模型组,穿越平台次数多于模型组(P<0.05);高剂量泽泻醇提物组、L-T4组仔鼠逃避潜伏期短于低剂量泽泻醇提物组,穿越平台次数多于低剂量泽泻醇提物组(P<0.05);高剂量泽泻醇提物组与L-T4组仔鼠逃避潜伏期、穿越平台次数比较差异无统计学意义(P>0.05).结论 泽泻醇提物可改善SCH母鼠甲状腺功能,促 |
| Author | 李燕君 俄洛吉 李玉琴 |
| AuthorAffiliation | 青海省人民医院产科,青海西宁 810000 |
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| Author_FL | Li Yan-Jun Li Yu-Qin E Luo-Ji |
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| Keywords | 甲状腺功能 原肌球蛋白受体激酶A信号通路 泽泻醇提物 亚临床性甲状腺功能减退症 神经功能 |
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