氧化应激和认知功能在中国患者患有严重抑郁症:抑郁症严重程度的调解作用
Rui-Jie Peng1, Chao Sun2,3, Yu Fan1
1Suzhou Psychiatric Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, P.R. China.
BMC psychiatry
|October 22, 2025
概括
大型抑郁症 (MDD) 与增加的氧化应激和认知障碍有关. 抑郁症和焦虑症的严重程度部分解释了MDD患者中氧化压力和即时记忆缺陷之间的关系.
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.
- 生物化学 生物化学
背景情况:
- 氧化应激越来越被认为是主要抑郁症 (MDD) 病理生理学的因素.
- MDD通常与认知障碍有关,但氧化应激和症状严重程度的作用需要进一步澄清.
研究的目的:
- 在中国患有MDD的患者中研究氧化应激标志物.
- 检查这些标记物与认知功能之间的关联.
- 确定抑郁症和焦虑症的严重程度是否调解了氧化应激和认知缺陷之间的关系.
主要方法:
- 招募了44名MDD患者和47名健康对照.
- 使用RBANS和Stroop Color-Word测试评估认知功能.
- 评估了HAMD-24和HAMA的抑郁和焦虑严重程度.
- 通过ELISA测量了血中马隆迪化物 (MDA) 和催化酶 (CAT) 的水平.
- 进行了群组比较,相关性和调解分析.
主要成果:
- 与对照组相比,MDD患者的血MDA较高,CAT活性较低.
- 多重障碍组在即时记忆,注意力和延迟记忆方面表现出显著的缺陷.
- 血MDA水平与即时和延迟记忆负相关,与HAMD和HAMA得分正相关.
- 哈姆德和哈马分数调解了血MDA和即时记忆之间的关系.
结论:
- 中国MDD患者呈现高氧化压力和认知功能受损,特别是记忆力.
- 增加的MDA水平与更严重的症状严重性和更差的记忆力有关.
- 症状严重程度部分介于MDD中氧化应激和即时记忆缺陷之间的关联.
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