对阿尔茨海默病的两种血浆生物标志物--神经丝蛋白轻链和寡聚Aβ--的随访比较:一项试点研究。

YongSoo Shim
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引用次数: 0

摘要

背景和目的:最近的证据表明,基于血液的生物标志物可能对阿尔茨海默病(AD)有用。其中,我们打算研究神经丝光(NfL)和多聚体检测系统-同源异构体Aβ(MDS-OAβ)值是否有助于筛查、预测和监测疾病进展,以及NfL和MDS-OAβ值之间的关系如何变化:80名可能患有AD痴呆症的参与者、50名患有轻度认知功能障碍(MCI)的参与者和19名患有主观认知功能下降(SCD)的参与者接受了基线和随访评估,评估内容包括迷你精神状态检查(MMSE)和两种血浆生物标志物:基线MDS-OAß(p=0.016)和NfL(p=0.002)血浆浓度在各组间存在显著差异,但只有NfL与基线MMSE评分相关(r=-0.278,p=0.001)。在随访中,两者均与 MMSE 的总体变化无关。然而,在 SCD 和 MCI 参与者(n=32)中,基线 MDS-OAß 与随访 MMSE 评分相关(r=0.532,p=0.041)。线性回归显示基线 MDS-OAβ 与随访 MMSE 评分之间存在关系。在SCD和MCI参与者中,血浆NfL的变化与MMSE的变化相关(r=0.564,p=0.028):本研究表明,只有在SCD和MCI(不包括AD痴呆)患者中,MDS-OAß才能预测随访MMSE测量的纵向认知能力下降。NfL而非MDS-OAß的变化与MMSE的变化平行。使用更大样本和更长持续时间的进一步研究可能会加强这些结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Follow-up Comparisons of Two Plasma Biomarkers of Alzheimer's Disease, Neurofilament Light Chain, and Oligomeric Aβ: A Pilot Study.

Background and objective: Recent evidence suggests that blood-based biomarkers might be useful for Alzheimer's disease (AD). Among them, we intend to investigate whether neurofilament light (NfL) and multimer detection system-oligomeric Aβ (MDS-OAβ) values can be useful in screening, predicting, and monitoring disease progression and how the relationship between NfL and MDS-OAβ values changes.

Methods: Eighty participants with probable AD dementia, 50 with mild cognitive impairment (MCI), and 19 with subjective cognitive decline (SCD) underwent baseline and follow-up evaluations of the Mini-Mental Status Examination (MMSE) and both plasma biomarkers.

Results: Baseline MDS-OAß (p = 0.016) and NfL (p = 0.002) plasma concentrations differed significantly among groups, but only NfL correlated with baseline MMSE scores (r = -0.278, p = 0.001). In follow-up, neither correlated with MMSE changes overall. However, in SCD and MCI participants (n = 32), baseline MDS-OAß correlated with follow-up MMSE scores (r = 0.532, p = 0.041). Linear regression revealed a relationship between baseline MDS-OAβ and follow-up MMSE scores. In SCD and MCI participants, plasma NfL changes correlated with MMSE changes (r = 0.564, p = 0.028).

Conclusion: This study shows that only in participants with SCD and MCI, not including AD dementia, can MDS-OAß predict the longitudinal cognitive decline measured by follow-up MMSE. Changes of NfL, not MDS-OAß, parallel the changes of MMSE. Further studies with larger samples and longer durations could strengthen these results..

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