尿酸对白质微结构和精神分裂症患者治疗反应的积极影响
Minji Bang1, Yul Heo1, Tai Kiu Choi1
1Department of Psychiatry, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Republic of Korea.
尿酸 (UA) 可能在精神分裂症中保护白质 (WM). 在慢性精神分裂症患者中,较高的UA水平与更好的WM完整性相关,这表明它在疾病进展中起着保护作用.
科学领域:
- 神经科学是一个神经科学.
- 生物化学 生物化学
- 精神病学是一个精神病学.
背景情况:
- 精神分裂症的特征是白质 (WM) 微观结构的变化.
- 氧化应激通过损害寡干细胞发育和髓成熟而导致WM损伤.
- 尿酸 (UA) 是一种内源性抗氧化剂,可以提供对氧化应激的保护.
研究的目的:
- 为了研究UA对精神分裂症患者WM连接性的影响.
- 为了比较UA在早期阶段 (最近发病的精神分裂症,ROS) 与慢性阶段精神分裂症 (CS) 的作用.
- 评估UA与WM完整性和治疗反应的关联.
主要方法:
- 研究了192名精神分裂症患者 (122名ROS,70名CS) 和107名健康对照 (HC).
- 扩散张力成像 (DTI) 和血清UA水平在基线获得.
- 分析了UA水平和WM扩散度之间的线性关系.
主要成果:
- 与HC相比,精神分裂症患者在WM中表现出广泛的低分数异性和更高的扩散性.
- 慢性精神分裂症 (CS) 组与最近出现的精神分裂症 (ROS) 和HCs相比,显示出明显的扩散性模式.
- 血清UA水平与CS组右额头区域的轴向和平均扩散率负相关.
- 与UA水平相关的WM扩散性预测了CS组的8周治疗反应.
结论:
- 通过减轻氧化应激应激,UA可能会通过减轻氧化应激来保护精神分裂症进展中的WM损伤.
- UA支持WM修复机制,这表明它在精神分裂症中起着有益的作用.
- 这些发现可能有助于开发新的精神分裂症疾病修饰疗法.
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