扩散张力成像技术表明,帕金森基因S/N167多态性对帕金森病患者的大脑白质损伤负责
Jinqiu Yu1,2,3, Jinying Shi1, Lina Chen1
1Department of Neurology, Fujian Institute of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, China.
Heliyon
|August 21, 2023
概括
扩散张力成像揭示了帕金森病 (PD) 的白质损伤,特别是在G/A基因型患者中. 这些微观结构变化与运动和认知障碍相关,突出显示了遗传和疾病的影响.
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.
- 遗传学 遗传学 是一个
背景情况:
- 帕金森病 (PD) 涉及遗传因素和影响大脑结构的疾病进展之间的复杂相互作用.
- 白物质微观结构的变化,在nigrostriatal通道涉及到PD病理生理学.
- 特定的遗传多态,如帕金S/N167多态,对这些变化的影响需要进一步调查.
研究的目的:
- 研究疾病和遗传因素对帕金森病患者白质微观结构的影响.
- 用扩散张力成像 (DTI) 来检测黑质-条形体系统中的微观结构变化.
- 将这些DTI发现与认知和运动功能评估相关联.
主要方法:
- 患有初级PD的患者根据帕金S/N167多态性被分为PD-G/G和PD-G/A组.
- 扩散张力成像 (DTI) 和3D-BRAVO在患者和匹配的对照中进行.
- 兴趣区域 (ROI) 和扩散张力追踪器 (DTT) 方法评估了白质完整性;用MMSE,MoCA,H-Y和UPDRS-III尺度评估认知和运动功能.
主要成果:
- 在PD患者 (尤其是PD-G/A) 和对照人群之间,在nigrostriatal路径中观察到显著的白质微结构差异.
- 投资回报率分析揭示了左球和MMSE得分的辐射扩散率 (RD) 之间的相关性,以及左黑质 (LSN) 和MoCA得分/H-Y阶段的微分异性 (FA) 之间的相关性.
- DTT分析显示了FA/RD在正确的黑色物质 (RSN) 和MMSE得分之间的相关性,以及RSN纤维数和H-Y等级之间的相关性,以及LSN扩散性/AD值和UPDRS-III得分.
结论:
- 在PD患者中,DTI有效地检测到广泛的白质纤维损伤,特别是那些具有G/A基因型的患者.
- 这些微观结构变化在nigrostriatal系统与PD的运动和认知缺陷有关.
- 这些发现强调了帕金森病中遗传倾向和与疾病相关的神经退行之间的相互作用.
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