减少大脑结构相似性与成熟,神经生物学特征和精神分裂症的临床状态有关
Natalia García-San-Martín1,2, Richard Ai Bethlehem2, Patricia Segura1
1Department of Medical Physiology and Biophysics, Faculty of Medicine, University of Seville, Seville, Spain.
Nature communications
|October 1, 2025
概括
精神分裂症谱系障碍 (SSD) 患者的脑结构相似性降低,特别是在晚期成熟的区域. 这些差异与临床状态和特定的神经生物学因素相关.
科学领域:
- 神经成像是一种神经成像.
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
背景情况:
- 精神分裂症谱系障碍 (SSD) 涉及异常的大脑发育和区域连接的改变.
- 大脑区域之间的结构相似性是神经发育轨迹的关键指标.
研究的目的:
- 研究与健康对照组 (HC) 相比,SSD患者的大脑结构相似性的变化.
- 将这些结构差异与临床状态和神经生物学特征联系起来.
主要方法:
- 利用了来自195名HC和352名SSD患者的结构磁共振成像 (MRI) 数据.
- 构建个体形态测量反向分歧 (MIND) 网络以量化结构相似性.
- 将46个神经生物学特征映射到MIND网络上.
主要成果:
- 与HC相比,SSD患者在叶,带膜叶和岛叶的结构相似性减少.
- 这些减少在临床状况较差 (认知障碍,严重症状) 的个体中更为明显.
- 在与晚期成熟事件相关的更高阶关联区域观察到变化.
- 降低相似性区域显示神经递质和星球细胞增加,以及新陈代谢和微观结构下降.
结论:
- 在SSD中,大脑的结构相似性发生了显著的变化,特别是在晚期成熟的区域.
- 这些变化与临床严重程度和特定的神经生物学基础有关.
- 这些发现突出了SSD中大脑结构,成熟和神经生物学之间的相互作用.
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