在西班牙裔人口中,APOE基因与痴呆相关的特征,抑郁症和焦虑症有关
Chun Xu1, Victoria Padilla1, Stephanie Lozano2
1Department of Health and Biomedical Science, College of Health Affairs, University of Texas Rio Grande Valley, Edinburg, TX 78539, USA.
Genes
|July 29, 2023
概括
在西班牙裔人口中,APOE-ε4基因变异增加了阿尔茨海默病的风险. 在这个群体中,这种变异也与更高的焦虑和抑郁风险有关.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
- 精神病学是一个精神病学.
背景情况:
- 阿尔茨海默病 (AD) 是导致痴呆的主要原因,具有重要的遗传成分,特别是在老年人群中.
- 虽然在非西班牙裔群体中研究了AD的遗传因素,但对美国西班牙裔人口的研究是有限的.
- 已知阿波利波蛋白E (APOE) 基因会影响AD风险,也与精神疾病有关.
研究的目的:
- 调查APOE基因与阿尔茨海默病,焦虑和抑郁症在美国西班牙裔人口中的关联.
- 探索特定APOE等位基因 (APOE-ε4和APOE-ε3) 在阿尔茨海默氏症和这一人口群体内的精神病表型中的作用.
- 解决研究中关于在西班牙裔中对AD和相关疾病的遗传倾向的研究缺口.
主要方法:
- 来自德克萨斯州阿尔茨海默氏症研究和护理联盟 (TARCC) 和里约格兰德山谷长寿和痴呆症初步研究 (ISLD-RGV) 的1382名参与者的数据分析.
- 收集人口统计和病史数据,以及血液/唾液样本用于遗传分析.
- 对APOE基因进行基因定型,以确定等位基因的存在及其与AD,焦虑和抑郁症的相关性.
主要成果:
- 在西班牙裔群体中,APOE-ε4等位基因与阿尔茨海默病风险增加显著相关 (p < 0.0001).
- APOE-ε4还与焦虑 (p < 0.0001) 和抑郁症 (p = 0.0004) 有着强烈的关联.
- 在这个人群中,APOE-ε3等位基因与抑郁症有关 (p = 0.002).
结论:
- APOE-ε4被证实是美国西班牙裔人口中阿尔茨海默病的危险因素.
- 这项研究提供了第一个证据,将APOE等位基因与西班牙裔人焦虑和抑郁的风险增加联系在一起.
- 建议进行进一步的研究以验证这些发现并探索潜在的机制.
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