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血清铜通过HDL-C介导途径调节糖尿病患者的认知功能:确定25μg/dL的探索值

Jianlong Zhou1,2, Wenxiang Shi1,2, Yayi Jiang1,2

  • 1Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China.

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概括

这项研究揭示了血清铜水平与糖尿病认知功能之间的联系. 25μg/dL的铜值会影响高密度脂蛋白胆固醇 (HDL-C) 和认知分数,因性别和年龄而异.

关键词:
糖尿病相关的认知功能障碍高密度脂蛋白胆固醇氧化应激血清铜这就是值效应.

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科学领域:

  • 内分泌学
  • 神经科学
  • 营养科学

背景情况:

  • 糖尿病相关的认知功能障碍 (DACD) 导致学习,记忆和执行功能障碍.
  • 目前对DACD的治疗选择有限.
  • 血清铜及其与炎症和氧化应激标志物的作用在糖尿病患者的认知调节中尚不清楚.

研究的目的:

  • 研究血清铜含量与糖尿病患者认知功能之间的关联.
  • 探索炎症和氧化应激生物标志物,特别是高密度脂蛋白胆固醇 (HDL-C) 在血清铜和认知功能之间的关系中的中介作用.
  • 确定影响认知功能的血清铜的潜在值,并检查人口分组之间的异质性.

主要方法:

  • 从NHANES 2011-2014数据集中对1,149名参与者 (288名糖尿病患者) 的横截面分析.
  • 使用动物流利性测试 (AFT) 和数字符号替换测试 (DSST) 评估认知功能.
  • 测量了血清铜,炎症指数和氧化应激标志物 (包括HDL-C);通过多变量回归,调解和分组分层的脊柱模型分析了相关性.

主要成果:

  • 与非糖尿病患者相比,糖尿病患者的DSST得分较低.
  • 在糖尿病患者中,血清铜与AFT得分有负相关性,与HDL- C有正相关性.
  • HDL-C调解了血清铜和DSST得分之间的关联,在25μg/ dL铜值附近观察到显著的非线性关系. 发现了性别和年龄的值差异.

结论:

  • 在DACD中,血清铜,HDL-C和认知功能之间存在糖尿病特异性关联.
  • 大约25μg/dL的血清铜值似乎对HDL-C介导的认知影响至关重要.
  • 鉴定出性别和年龄特定的值变化突显了人口的异质性,并为未来的研究和DACD风险分层提出了潜在的参考点.