检查神经病多基因风险在晚年认知变化中的作用:英国生物库研究
Niki Akbarian1,2, Mahbod Ebrahimi1,2, Fernanda C Dos Santos1
1Tanenbaum Centre for Pharmacogenetics, Molecular Brain Science, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M5T 1R8, Canada.
Behavioral sciences (Basel, Switzerland)
|October 26, 2024
概括
对神经病的遗传倾向可能会防止处理速度,视觉注意力和记忆力的认知下降. 较高的神经病症风险得分与老年人这些认知功能下降的速度较慢有关.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 心理学 心理学 心理学
背景情况:
- 认知能力下降影响全球数以百万计的人,神经病症与风险增加有关.
- 在神经病症和认知衰退之间存在关联的生物学机制尚未得到充分理解.
- 研究遗传倾向为这些机制提供了洞察力.
研究的目的:
- 检查神经病的遗传倾向与认知表现之间的关系.
- 评估神经病多基因风险评分 (PRS) 如何随着时间的推移影响认知领域.
主要方法:
- 利用了来自60岁以上的1万多名英国人生物库数据.
- 基于遗传数据计算的神经病多基因风险评分 (PRS).
- 在七年内对认知功能 (推理,处理速度,视觉注意力,记忆) 进行横截面和纵向评估.
主要成果:
- 神经病症PRS没有显示与认知指标的横截面关联.
- 较高的神经性 PRS 与处理速度,视觉注意力和记忆力下降的速度较慢显著相关.
- 这种对认知能力下降的保护趋势在灵敏度分析中持续存在,特别是在视觉注意力方面.
结论:
- 对神经病的遗传倾向可能对认知轨迹产生保护作用,特别是在处理速度,视觉注意力和记忆方面.
- 研究结果表明,人格特征与认知衰老之间的关系存在复杂的遗传影响.
- 需要进一步的研究来阐明所涉及的生物途径.
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