JCEM:硒摄入对甲亢风险和进展的影响

2018-10-02 xing.T MedSci原创

由此可见,该研究的数据突出了硒与人类甲状腺疾病风险相互作用的新型性别差异,并表明硒对甲状腺完整性具有局部保护作用,这似乎没有反映在所检测的循环生物标志物中。

近日,内分泌和代谢性疾病领域权威杂志Journal of Clinical Endocrinology & Metabolism上发表了一篇研究文章,该研究旨在调查膳食中硒含量对甲状腺功能亢进的重要性。

研究人员对来自中国陕西省两个县的6152名参与者的大型横断面研究进行了更深入的分析,这些参与者以不同的习惯性硒摄入量进行归类,并在GD小鼠模型中调查了不同膳食硒摄入(0.02、0.18、0.6或2.0ppm)对疾病进展的影响。

横断面研究显示无论两个县的硒摄入量如何,甲亢的患病率相当。然而,意外发现性别特异性差异较为显著,并且硒缺乏可能是甲状腺功能亢进的危险因素,特别是在男性中。在小鼠模型中,病理性甲状腺形态受到影响,并且较高的硒摄入量对病理性畸变具有一定的保护作用。循环甲状腺激素水平、丙二醛浓度、总抗氧化能力或GD引起的TSH受体自身抗体(TRAb)的滴度不受硒含量的影响。脾脏中转录物的表达分析表明对涉及免疫应答、红细胞生成和氧状态的基因具有调节作用。然而,实验组之间的体液免疫应答包括CD4/CD8或Th1/Th2细胞比例和Treg细胞浓度均相似,尽管它们的硒摄入量不同。

由此可见,该研究的数据突出了硒与人类甲状腺疾病风险相互作用的新型性别差异,并表明硒对甲状腺完整性具有局部保护作用,这似乎没有反映在所检测的循环生物标志物中。

原始出处:

Yue Wang,et al. Role of Selenium Intake for Risk and Development of Hyperthyroidism.J Clin Endocrinol Metab. 2018. https://doi.org/10.1210/jc.2018-01713

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    2019-03-03 achengzhao
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    2019-08-05 smallant2015
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    2018-10-02 Jackie Li

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