在帕金森病中性别之间大脑衰老的差异
Iman Beheshti1,2, Samuel Booth1,2, Ji Hyun Ko3,4,5
1Department of Human Anatomy and Cell Science, University of Manitoba, Winnipeg, MB, Canada.
NPJ Parkinson's disease
|February 14, 2024
概括
与女性相比,患有帕金森病 (PD) 的男性表现出加速的大脑衰老. 大脑年龄的这种差异与男性的认知衰退和其他症状有关,这表明性别特异的PD机制.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 放射学 放射学是一门学科.
背景情况:
- 帕金森病 (PD) 与加速的大脑衰老有关,男性患病率更高,症状更严重.
- 在帕金森病中,性对大脑衰老的作用仍未得到充分研究,这突出了关键的知识差距.
研究的目的:
- 研究帕金森病患者的性别与大脑预测年龄差异 (Brain-PAD) 之间的关联.
- 探索大脑-PAD和临床变量之间的关系,按性别分层,在帕金森病患者中.
主要方法:
- 用373名帕金森病患者的结构T1加权MRI数据计算大脑预测年龄差异 (Brain-PAD).
- 通过对949名健康受试者进行训练,采用了强大的大脑年龄估计框架.
- 线性回归模型分析了脑-PAD和临床变量 (认知,睡眠,视觉空间敏度,尾状缩) 之间的关联,按性别分层.
主要成果:
- 患有帕金森病的男性 (PD-M) 比患有帕金森病 (PD-F) 的女性有显著更高的平均脑PAD.
- 在倾向性得分匹配的PD-M中,较高的脑PAD与一般认知能力下降,更糟糕的睡眠行为障碍,视觉空间敏度降低和尾状缩相关.
- 在PD-F组中,没有发现大脑-PAD和这些临床因素之间的显著关联.
结论:
- 在患有帕金森病的男性中,加速的大脑衰老表明性在帕金森病的发病过程中起着至关重要的作用.
- 这些发现表明,在男性和女性中,帕金森病的机制可能不同.
- 这项研究增强了对帕金森病背景下大脑衰老的基于性别的差异的理解.
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