Aging (Albany NY):年龄相关的听力损失能够促进脑脊液tau水平和脑萎缩

2019-06-05 AlexYang MedSci原创

年龄相关的听力损失(ARHL)被认为是认识损伤和痴呆的一种有希望改变的风险因子。尽管如此,是否年龄相关的听力损失与老年痴呆症(AD)的神经退行性生物标志物相关仍旧不清楚。最近,有研究人员在ADNI数据库中选择了ARHL的患者的数据。研究人员在多变量模型中,探索了ARHL与CSF β-淀粉样蛋白(Aβ)和tau测量值、脑部Aβ负载和皮质结构测量之间的相关性。研究发现,ARHL与更高的tau CSF水

年龄相关的听力损失(ARHL)被认为是认识损伤和痴呆的一种有希望改变的风险因子。尽管如此,是否年龄相关的听力损失与老年痴呆症(AD)的神经退行性生物标志物相关仍旧不清楚。

最近,有研究人员在ADNI数据库中选择了ARHL的患者的数据。研究人员在多变量模型中,探索了ARHL与CSF β-淀粉样蛋白(Aβ)和tau测量值、脑部Aβ负载和皮质结构测量之间的相关性。研究发现,ARHL与更高的tau CSF水平(p<0.001)或者ptau181(p<0.05)水平相关,以及与这2个生物标记更快的提高速率相关(p<0.05)。尽管基线海马结构的体积/厚度(p<0.05)和内嗅皮层(p<0.0005)在ARHL个体中更高,这两个区域还表现出了显著提高的脑萎缩征(海马结构和内嗅皮层分别为p<0.01和p < 0.05)。研究人员没有发现ARHL与CSF或者脑部Aβ水平的相关性。亚群分析表明了上述ARHL的影响在非痴呆阶段更加明显。

最后,研究人员指出,年龄相关的听力损失与提高的脑脊液tau水平和内嗅皮层的萎缩相关。

原始出处:


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    2019-09-05 chendoc252
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    2019-06-07 ysjykql
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    2019-06-07 szhvet

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