带有TDP-43的前性痴呆症的精神病症状往往与B型病理有关
Veronica Hirsch-Reinshagen1, Christa Hercher2,3, Fidel Vila-Rodriguez3
1Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.
带有TDP-43病理 (FTLD-TDP) 的前叶退化中精神病症状与B亚型病理有关. 这种关联表明精神病与特定的TDP-43蛋白模式之间存在直接关系.
科学领域:
- 神经科学是一个神经科学.
- 神经病理学神经病理学
背景情况:
- 精神病症状越来越多地被识别为TDP-43病理 (FTLD-TDP) 的前叶退化.
- 具有FTLD-TDP的C9orf72重复扩张载体特别容易产生妄想和幻觉.
研究的目的:
- 调查FTLD-TDP病理亚型与精神病症状发生之间的关系.
- 阐明关于FTLD-TDP中精神病的神经病理基础的新细节.
主要方法:
- 对患者数据的回顾性分析.
- FTLD-TDP病理亚型与精神病症状临床表现的相关性.
- 对白质和运动神经元的TDP-43负荷的评估.
主要成果:
- 在患有精神病症状的患者中,FTLD-TDP亚型B明显更为普遍.
- 在对C9orf72突变状态进行校正后,B亚型和精神病之间的关联仍然存在.
- 精神病症状与白质TDP-43负荷增加和较低运动神经元参与度降低相关.
结论:
- 在FTLD-TDP中,精神病症状与B亚型病理有关.
- 这种关系不仅仅是由C9orf72突变解释的,这表明与TDP-43病理模式有直接联系.
- 这些发现突出了特定FTLD-TDP亚型中精神病的潜在神经病理基础.
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