摘要
背景:海马体、内嗅皮质和梭状回是在早期阿尔茨海默病 (AD) 期间恶化的大脑区域。 ApoE4 等位基因已被确定为 AD 发展的危险因素,与大脑中淀粉样蛋白 β (Aβ) 斑块聚集的增加有关,并导致海马区萎缩。然而,据我们所知,尚未研究 AD 患者随时间恶化的速度,无论是否有 ApoE4 等位基因。 方法:在这项研究中,我们首次使用阿尔茨海默氏病神经影像学倡议 (ADNI) 数据集分析有和没有 ApoE4 的 AD 患者的这些脑结构萎缩。 结果:发现这些脑区体积在 12 个月内的减少率与 ApoE4 的存在有关。此外,与之前的研究不同,我们发现女性和男性患者的神经萎缩没有差异,这表明 ApoE4 的存在与 AD 中的性别差异无关。 结论:我们的结果证实并扩展了之前的发现,表明 ApoE4 等位基因逐渐影响受 AD 影响的大脑区域。
关键词: 阿尔茨海默病,海马体,APOE基因,内嗅皮层,梭状回,疾病进展,性别差异。
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