在精神分裂症中,静止状态下垂体失联性的渐进性变化
Xing Li1, Jiaxin Zeng1, Naici Liu1
1Department of Radiology, and Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital of Sichuan University, Chengdu, China; Huaxi MR Research Center (HMRRC), West China Hospital of Sichuan University, Chengdu, China; Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, China.
精神分裂症患者的下丘脑功能连接性降低,特别是随着年龄的增长. 这种功能障碍不会被抗精神病治疗扭转,并表明疾病中存在神经退行性成分.
科学领域:
- 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:
- 下丘脑在精神分裂症的发病过程中发挥着潜在的作用.
- 了解精神分裂症下丘脑功能障碍对于阐明疾病机制至关重要.
研究的目的:
- 在精神分裂症患者中研究下丘脑功能连接 (FC).
- 为了检查下丘脑FC,症状和抗精神病治疗之间的关系.
- 探索下丘脑FC中与年龄相关的变化.
主要方法:
- 招募了216名精神分裂症患者 (第一次发作和慢性治疗) 和210名健康对照.
- 使用共变性分析计算和比较了基于种子的下丘脑FC.
- 与症状学相关联的FC,并进行了与年龄和疾病相关的回归分析.
主要成果:
- 患有第一发精神分裂症的患者显示中脑和右丘脑的FC下降.
- 慢性治疗的患者表现出更广泛的CF下降,包括门,尾皮和前带皮层.
- 脑下垂体FC异常与症状或疾病持续时间无关,并未通过抗精神病治疗逆转;观察到与年龄相关的衰退.
结论:
- 与年龄相关的下丘脑FC下降有助于精神分裂症的神经退行性方面.
- 需要进一步的研究来探索荷尔蒙/内分泌的基础和渐进的轨迹.
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