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双相情感障碍中髓含量降低:对不均质磁化转移的研究

Zhifeng Zhou¹, Ziyun Xu¹, Wentao Lai¹

¹Neuropsychiatry Imaging Center, Department of Radiology, Shenzhen Mental Health Center, Shenzhen Kangning Hospital, Shenzhen 518118, China.

Journal of affective disorders

|April 14, 2024

概括

双极性障碍 (BD) 与大脑中的髓蛋白减少有关.

科学领域:

神经成像是一种神经成像.
神经病理学神经病理学
双极性障碍研究研究

背景情况:

以前的研究表明双相情感障碍 (BD) 的髓异常.
磁共振成像 (MRI) 被用于调查BD的神经病理基础.
不均质磁化转移 (ihMT) 是一种特定的MR技术,用于评估髓含量.

研究的目的:

在使用ihMT的BD患者中调查髓变化.
为了比较BD患者和健康对照 (HC) 之间的髓指标.
探索骨髓含量和BD中的抑郁症状之间的关系.

主要方法:

涉及31名BD患者和42名HC患者.
测量了四个MR指标:ihMT比率 (ihMTR),伪定量ihMT (qihMT),磁化转移比率和伪定量磁化转移 (qMT).
使用全大脑素水平和白质感兴趣区域 (ROI) 分析.

主要成果:

在群体之间的体中,在ihMTR和qihMT中发现了显著的差异.
与HC相比,BD患者在特定的大脑区域显著降低ihMTR,qihMT和qMT,包括体,内部囊,冠状辐射和环膜 (p < 0.001).
在大脑体和右带的基因中,qihMT与BD患者的抑郁症状负相关.

结论:

在BD患者中,前脑中线大脑结构中的髓含量降低是建议的.
这些髓减少可能是双相情感障碍的关键病理生理特征.
这些发现突显了ihMT作为BD神经病理学的生物标志物的潜力.

关键词:

双极性障碍是一种双极性障碍.在不均的磁化转移转移.磁共振成像技术磁共振成像技术骨髓蛋白是什么意思骨髓蛋白是什么意思白质是白质的组成部分.

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