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在T2DM中,与轻度认知障碍和胰岛素抵抗有关的海马子的结构和功能变化:一项前性研究

Chen Yang¹, Huiyan Zhang², Zihan Ma¹

¹The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Gansu University of Chinese Medicine, Lanzhou, China.

Journal of diabetes

|November 13, 2024

概括

轻度认知障碍 (MCI) 的2型糖尿病 (T2DM) 显示出海马体的改变. 胰岛素抵抗 (IR) 对海马子子子场体积和功能产生负面影响,这表明T2DM-MCI的潜在神经成像生物标志物.

科学领域:

神经科学是一个神经科学.
内分泌学在内分泌学.
放射学放射学是一门学科.

背景情况:

2型糖尿病 (T2DM) 与胰岛素抵抗 (IR) 和轻度认知障碍 (MCI) 有关.
海马很容易受到T2DM和IR的影响,但它们对T2DM-MCI患者海马子区域的特定影响还未得到充分研究.

研究的目的:

研究胰岛素抵抗 (IR) 对2型糖尿病 (T2DM) 和轻度认知障碍 (MCI) 患者海马子的结构和功能影响.

主要方法:

104名T2DM患者根据MCI状态和IR水平被分为四组.
收集了结构性和功能性MRI数据,临床变量和神经心理学得分.
分析了海马亚场体积和功能连接,并与临床和认知数据相关联.

主要成果:

患有T2DM-MCI和较高IR的患者在多个海马子区 (例如尾部,阴茎,GC-ML-DG,CA4) 中表现出减少的体积.
胰岛素抵抗显著影响了右海马尾部,右体和右GC-ML-DG体的体积.
观察到右侧阴茎体和前额叶皮层区域之间存在较高的功能连接. 海马体积与脂质样本和禁食胰岛素水平相关.

结论:

患有T2DM-MCI的患者表现出海马体的结构和功能改变.
胰岛素抵抗是加剧T2DM-MCI中海马体子场体积变化的关键因素.
这些神经成像发现突显了IR的作用,并表明T2DM-MCI中大脑损伤的潜在生物标志物.

关键词:

在海马体内,海马体胰岛素耐药性是一种胰岛素耐药性.磁共振成像技术的使用轻度的认知障碍轻度的认知障碍 2型糖尿病是什么?

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